tsearchcmds.c File Reference

#include "postgres.h"
#include <ctype.h>
#include "access/genam.h"
#include "access/htup_details.h"
#include "access/table.h"
#include "access/xact.h"
#include "catalog/catalog.h"
#include "catalog/dependency.h"
#include "catalog/indexing.h"
#include "catalog/objectaccess.h"
#include "catalog/pg_namespace.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_ts_config.h"
#include "catalog/pg_ts_config_map.h"
#include "catalog/pg_ts_dict.h"
#include "catalog/pg_ts_parser.h"
#include "catalog/pg_ts_template.h"
#include "catalog/pg_type.h"
#include "commands/defrem.h"
#include "commands/event_trigger.h"
#include "common/string.h"
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "parser/parse_func.h"
#include "tsearch/ts_cache.h"
#include "tsearch/ts_public.h"
#include "utils/acl.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
#include "utils/lsyscache.h"
#include "utils/rel.h"
#include "utils/syscache.h"

Include dependency graph for tsearchcmds.c:

Go to the source code of this file.

Data Structures
struct	TSTokenTypeItem

Functions
static void	MakeConfigurationMapping (AlterTSConfigurationStmt *stmt, HeapTuple tup, Relation relMap)
static void	DropConfigurationMapping (AlterTSConfigurationStmt *stmt, HeapTuple tup, Relation relMap)
static DefElem *	buildDefItem (const char *name, const char *val, bool was_quoted)
static Datum	get_ts_parser_func (DefElem *defel, int attnum)
static ObjectAddress	makeParserDependencies (HeapTuple tuple)
ObjectAddress	DefineTSParser (List *names, List *parameters)
static ObjectAddress	makeDictionaryDependencies (HeapTuple tuple)
static void	verify_dictoptions (Oid tmplId, List *dictoptions)
ObjectAddress	DefineTSDictionary (List *names, List *parameters)
ObjectAddress	AlterTSDictionary (AlterTSDictionaryStmt *stmt)
static Datum	get_ts_template_func (DefElem *defel, int attnum)
static ObjectAddress	makeTSTemplateDependencies (HeapTuple tuple)
ObjectAddress	DefineTSTemplate (List *names, List *parameters)
static HeapTuple	GetTSConfigTuple (List *names)
static ObjectAddress	makeConfigurationDependencies (HeapTuple tuple, bool removeOld, Relation mapRel)
ObjectAddress	DefineTSConfiguration (List *names, List *parameters, ObjectAddress *copied)
void	RemoveTSConfigurationById (Oid cfgId)
ObjectAddress	AlterTSConfiguration (AlterTSConfigurationStmt *stmt)
static bool	tstoken_list_member (char *token_name, List *tokens)
static List *	getTokenTypes (Oid prsId, List *tokennames)
text *	serialize_deflist (List *deflist)
List *	deserialize_deflist (Datum txt)

Function Documentation

AlterTSConfiguration()

ObjectAddress AlterTSConfiguration

(

AlterTSConfigurationStmt *

stmt

)

Definition at line 1156 of file tsearchcmds.c.

{
    HeapTuple   tup;
    Oid         cfgId;
    Relation    relMap;
    ObjectAddress address;
 
    /* Find the configuration */
    tup = GetTSConfigTuple(stmt->cfgname);
    if (!HeapTupleIsValid(tup))
        ereport(ERROR,
                (errcode(ERRCODE_UNDEFINED_OBJECT),
                 errmsg("text search configuration \"%s\" does not exist",
                        NameListToString(stmt->cfgname))));
 
    cfgId = ((Form_pg_ts_config) GETSTRUCT(tup))->oid;
 
    /* must be owner */
    if (!object_ownercheck(TSConfigRelationId, cfgId, GetUserId()))
        aclcheck_error(ACLCHECK_NOT_OWNER, OBJECT_TSCONFIGURATION,
                       NameListToString(stmt->cfgname));
 
    relMap = table_open(TSConfigMapRelationId, RowExclusiveLock);
 
    /* Add or drop mappings */
    if (stmt->dicts)
        MakeConfigurationMapping(stmt, tup, relMap);
    else if (stmt->tokentype)
        DropConfigurationMapping(stmt, tup, relMap);
 
    /* Update dependencies */
    makeConfigurationDependencies(tup, true, relMap);
 
    InvokeObjectPostAlterHook(TSConfigRelationId, cfgId, 0);
 
    ObjectAddressSet(address, TSConfigRelationId, cfgId);
 
    table_close(relMap, RowExclusiveLock);
 
    ReleaseSysCache(tup);
 
    return address;
}

References aclcheck_error(), ACLCHECK_NOT_OWNER, DropConfigurationMapping(), ereport, errcode(), errmsg(), ERROR, GETSTRUCT(), GetTSConfigTuple(), GetUserId(), HeapTupleIsValid, InvokeObjectPostAlterHook, makeConfigurationDependencies(), MakeConfigurationMapping(), NameListToString(), object_ownercheck(), OBJECT_TSCONFIGURATION, ObjectAddressSet, ReleaseSysCache(), RowExclusiveLock, stmt, table_close(), and table_open().

Referenced by ProcessUtilitySlow().

AlterTSDictionary()

ObjectAddress AlterTSDictionary

(

AlterTSDictionaryStmt *

stmt

)

Definition at line 493 of file tsearchcmds.c.

{
    HeapTuple   tup,
                newtup;
    Relation    rel;
    Oid         dictId;
    ListCell   *pl;
    List       *dictoptions;
    Datum       opt;
    bool        isnull;
    Datum       repl_val[Natts_pg_ts_dict];
    bool        repl_null[Natts_pg_ts_dict];
    bool        repl_repl[Natts_pg_ts_dict];
    ObjectAddress address;
 
    dictId = get_ts_dict_oid(stmt->dictname, false);
 
    rel = table_open(TSDictionaryRelationId, RowExclusiveLock);
 
    tup = SearchSysCache1(TSDICTOID, ObjectIdGetDatum(dictId));
 
    if (!HeapTupleIsValid(tup))
        elog(ERROR, "cache lookup failed for text search dictionary %u",
             dictId);
 
    /* must be owner */
    if (!object_ownercheck(TSDictionaryRelationId, dictId, GetUserId()))
        aclcheck_error(ACLCHECK_NOT_OWNER, OBJECT_TSDICTIONARY,
                       NameListToString(stmt->dictname));
 
    /* deserialize the existing set of options */
    opt = SysCacheGetAttr(TSDICTOID, tup,
                          Anum_pg_ts_dict_dictinitoption,
                          &isnull);
    if (isnull)
        dictoptions = NIL;
    else
        dictoptions = deserialize_deflist(opt);
 
    /*
     * Modify the options list as per specified changes
     */
    foreach(pl, stmt->options)
    {
        DefElem    *defel = (DefElem *) lfirst(pl);
        ListCell   *cell;
 
        /*
         * Remove any matches ...
         */
        foreach(cell, dictoptions)
        {
            DefElem    *oldel = (DefElem *) lfirst(cell);
 
            if (strcmp(oldel->defname, defel->defname) == 0)
                dictoptions = foreach_delete_current(dictoptions, cell);
        }
 
        /*
         * and add new value if it's got one
         */
        if (defel->arg)
            dictoptions = lappend(dictoptions, defel);
    }
 
    /*
     * Validate
     */
    verify_dictoptions(((Form_pg_ts_dict) GETSTRUCT(tup))->dicttemplate,
                       dictoptions);
 
    /*
     * Looks good, update
     */
    memset(repl_val, 0, sizeof(repl_val));
    memset(repl_null, false, sizeof(repl_null));
    memset(repl_repl, false, sizeof(repl_repl));
 
    if (dictoptions)
        repl_val[Anum_pg_ts_dict_dictinitoption - 1] =
            PointerGetDatum(serialize_deflist(dictoptions));
    else
        repl_null[Anum_pg_ts_dict_dictinitoption - 1] = true;
    repl_repl[Anum_pg_ts_dict_dictinitoption - 1] = true;
 
    newtup = heap_modify_tuple(tup, RelationGetDescr(rel),
                               repl_val, repl_null, repl_repl);
 
    CatalogTupleUpdate(rel, &newtup->t_self, newtup);
 
    InvokeObjectPostAlterHook(TSDictionaryRelationId, dictId, 0);
 
    ObjectAddressSet(address, TSDictionaryRelationId, dictId);
 
    /*
     * NOTE: because we only support altering the options, not the template,
     * there is no need to update dependencies.  This might have to change if
     * the options ever reference inside-the-database objects.
     */
 
    heap_freetuple(newtup);
    ReleaseSysCache(tup);
 
    table_close(rel, RowExclusiveLock);
 
    return address;
}

References aclcheck_error(), ACLCHECK_NOT_OWNER, DefElem::arg, CatalogTupleUpdate(), DefElem::defname, deserialize_deflist(), elog, ERROR, foreach_delete_current, get_ts_dict_oid(), GETSTRUCT(), GetUserId(), heap_freetuple(), heap_modify_tuple(), HeapTupleIsValid, InvokeObjectPostAlterHook, lappend(), lfirst, NameListToString(), NIL, object_ownercheck(), OBJECT_TSDICTIONARY, ObjectAddressSet, ObjectIdGetDatum(), PointerGetDatum(), RelationGetDescr, ReleaseSysCache(), RowExclusiveLock, SearchSysCache1(), serialize_deflist(), stmt, SysCacheGetAttr(), HeapTupleData::t_self, table_close(), table_open(), and verify_dictoptions().

Referenced by ProcessUtilitySlow().

buildDefItem()

static DefElem * buildDefItem ( const char *  name, const char *  val, bool  was_quoted  )

static

Definition at line 1834 of file tsearchcmds.c.

{
    /* If input was quoted, always emit as string */
    if (!was_quoted && val[0] != '\0')
    {
        int         v;
        char       *endptr;
 
        /* Try to parse as an integer */
        errno = 0;
        v = strtoint(val, &endptr, 10);
        if (errno == 0 && *endptr == '\0')
            return makeDefElem(pstrdup(name),
                               (Node *) makeInteger(v),
                               -1);
        /* Nope, how about as a float? */
        errno = 0;
        (void) strtod(val, &endptr);
        if (errno == 0 && *endptr == '\0')
            return makeDefElem(pstrdup(name),
                               (Node *) makeFloat(pstrdup(val)),
                               -1);
 
        if (strcmp(val, "true") == 0)
            return makeDefElem(pstrdup(name),
                               (Node *) makeBoolean(true),
                               -1);
        if (strcmp(val, "false") == 0)
            return makeDefElem(pstrdup(name),
                               (Node *) makeBoolean(false),
                               -1);
    }
    /* Just make it a string */
    return makeDefElem(pstrdup(name),
                       (Node *) makeString(pstrdup(val)),
                       -1);
}

References makeBoolean(), makeDefElem(), makeFloat(), makeInteger(), makeString(), name, pstrdup(), strtoint(), and val.

Referenced by deserialize_deflist().

DefineTSConfiguration()

ObjectAddress DefineTSConfiguration	(	List *	names,
		List *	parameters,
		ObjectAddress *	copied
	)

Definition at line 899 of file tsearchcmds.c.

{
    Relation    cfgRel;
    Relation    mapRel = NULL;
    HeapTuple   tup;
    Datum       values[Natts_pg_ts_config];
    bool        nulls[Natts_pg_ts_config];
    AclResult   aclresult;
    Oid         namespaceoid;
    char       *cfgname;
    NameData    cname;
    Oid         sourceOid = InvalidOid;
    Oid         prsOid = InvalidOid;
    Oid         cfgOid;
    ListCell   *pl;
    ObjectAddress address;
 
    /* Convert list of names to a name and namespace */
    namespaceoid = QualifiedNameGetCreationNamespace(names, &cfgname);
 
    /* Check we have creation rights in target namespace */
    aclresult = object_aclcheck(NamespaceRelationId, namespaceoid, GetUserId(), ACL_CREATE);
    if (aclresult != ACLCHECK_OK)
        aclcheck_error(aclresult, OBJECT_SCHEMA,
                       get_namespace_name(namespaceoid));
 
    /*
     * loop over the definition list and extract the information we need.
     */
    foreach(pl, parameters)
    {
        DefElem    *defel = (DefElem *) lfirst(pl);
 
        if (strcmp(defel->defname, "parser") == 0)
            prsOid = get_ts_parser_oid(defGetQualifiedName(defel), false);
        else if (strcmp(defel->defname, "copy") == 0)
            sourceOid = get_ts_config_oid(defGetQualifiedName(defel), false);
        else
            ereport(ERROR,
                    (errcode(ERRCODE_SYNTAX_ERROR),
                     errmsg("text search configuration parameter \"%s\" not recognized",
                            defel->defname)));
    }
 
    if (OidIsValid(sourceOid) && OidIsValid(prsOid))
        ereport(ERROR,
                (errcode(ERRCODE_SYNTAX_ERROR),
                 errmsg("cannot specify both PARSER and COPY options")));
 
    /* make copied tsconfig available to callers */
    if (copied && OidIsValid(sourceOid))
    {
        ObjectAddressSet(*copied,
                         TSConfigRelationId,
                         sourceOid);
    }
 
    /*
     * Look up source config if given.
     */
    if (OidIsValid(sourceOid))
    {
        Form_pg_ts_config cfg;
 
        tup = SearchSysCache1(TSCONFIGOID, ObjectIdGetDatum(sourceOid));
        if (!HeapTupleIsValid(tup))
            elog(ERROR, "cache lookup failed for text search configuration %u",
                 sourceOid);
 
        cfg = (Form_pg_ts_config) GETSTRUCT(tup);
 
        /* use source's parser */
        prsOid = cfg->cfgparser;
 
        ReleaseSysCache(tup);
    }
 
    /*
     * Validation
     */
    if (!OidIsValid(prsOid))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("text search parser is required")));
 
    cfgRel = table_open(TSConfigRelationId, RowExclusiveLock);
 
    /*
     * Looks good, build tuple and insert
     */
    memset(values, 0, sizeof(values));
    memset(nulls, false, sizeof(nulls));
 
    cfgOid = GetNewOidWithIndex(cfgRel, TSConfigOidIndexId,
                                Anum_pg_ts_config_oid);
    values[Anum_pg_ts_config_oid - 1] = ObjectIdGetDatum(cfgOid);
    namestrcpy(&cname, cfgname);
    values[Anum_pg_ts_config_cfgname - 1] = NameGetDatum(&cname);
    values[Anum_pg_ts_config_cfgnamespace - 1] = ObjectIdGetDatum(namespaceoid);
    values[Anum_pg_ts_config_cfgowner - 1] = ObjectIdGetDatum(GetUserId());
    values[Anum_pg_ts_config_cfgparser - 1] = ObjectIdGetDatum(prsOid);
 
    tup = heap_form_tuple(cfgRel->rd_att, values, nulls);
 
    CatalogTupleInsert(cfgRel, tup);
 
    if (OidIsValid(sourceOid))
    {
        /*
         * Copy token-dicts map from source config
         */
        ScanKeyData skey;
        SysScanDesc scan;
        HeapTuple   maptup;
        TupleDesc   mapDesc;
        TupleTableSlot **slot;
        CatalogIndexState indstate;
        int         max_slots,
                    slot_init_count,
                    slot_stored_count;
 
        mapRel = table_open(TSConfigMapRelationId, RowExclusiveLock);
        mapDesc = RelationGetDescr(mapRel);
 
        indstate = CatalogOpenIndexes(mapRel);
 
        /*
         * Allocate the slots to use, but delay costly initialization until we
         * know that they will be used.
         */
        max_slots = MAX_CATALOG_MULTI_INSERT_BYTES / sizeof(FormData_pg_ts_config_map);
        slot = palloc(sizeof(TupleTableSlot *) * max_slots);
 
        ScanKeyInit(&skey,
                    Anum_pg_ts_config_map_mapcfg,
                    BTEqualStrategyNumber, F_OIDEQ,
                    ObjectIdGetDatum(sourceOid));
 
        scan = systable_beginscan(mapRel, TSConfigMapIndexId, true,
                                  NULL, 1, &skey);
 
        /* number of slots currently storing tuples */
        slot_stored_count = 0;
        /* number of slots currently initialized */
        slot_init_count = 0;
 
        while (HeapTupleIsValid((maptup = systable_getnext(scan))))
        {
            Form_pg_ts_config_map cfgmap = (Form_pg_ts_config_map) GETSTRUCT(maptup);
 
            if (slot_init_count < max_slots)
            {
                slot[slot_stored_count] = MakeSingleTupleTableSlot(mapDesc,
                                                                   &TTSOpsHeapTuple);
                slot_init_count++;
            }
 
            ExecClearTuple(slot[slot_stored_count]);
 
            memset(slot[slot_stored_count]->tts_isnull, false,
                   slot[slot_stored_count]->tts_tupleDescriptor->natts * sizeof(bool));
 
            slot[slot_stored_count]->tts_values[Anum_pg_ts_config_map_mapcfg - 1] = cfgOid;
            slot[slot_stored_count]->tts_values[Anum_pg_ts_config_map_maptokentype - 1] = cfgmap->maptokentype;
            slot[slot_stored_count]->tts_values[Anum_pg_ts_config_map_mapseqno - 1] = cfgmap->mapseqno;
            slot[slot_stored_count]->tts_values[Anum_pg_ts_config_map_mapdict - 1] = cfgmap->mapdict;
 
            ExecStoreVirtualTuple(slot[slot_stored_count]);
            slot_stored_count++;
 
            /* If slots are full, insert a batch of tuples */
            if (slot_stored_count == max_slots)
            {
                CatalogTuplesMultiInsertWithInfo(mapRel, slot, slot_stored_count,
                                                 indstate);
                slot_stored_count = 0;
            }
        }
 
        /* Insert any tuples left in the buffer */
        if (slot_stored_count > 0)
            CatalogTuplesMultiInsertWithInfo(mapRel, slot, slot_stored_count,
                                             indstate);
 
        for (int i = 0; i < slot_init_count; i++)
            ExecDropSingleTupleTableSlot(slot[i]);
 
        systable_endscan(scan);
        CatalogCloseIndexes(indstate);
    }
 
    address = makeConfigurationDependencies(tup, false, mapRel);
 
    /* Post creation hook for new text search configuration */
    InvokeObjectPostCreateHook(TSConfigRelationId, cfgOid, 0);
 
    heap_freetuple(tup);
 
    if (mapRel)
        table_close(mapRel, RowExclusiveLock);
    table_close(cfgRel, RowExclusiveLock);
 
    return address;
}

References ACL_CREATE, aclcheck_error(), ACLCHECK_OK, BTEqualStrategyNumber, CatalogCloseIndexes(), CatalogOpenIndexes(), CatalogTupleInsert(), CatalogTuplesMultiInsertWithInfo(), defGetQualifiedName(), DefElem::defname, elog, ereport, errcode(), errmsg(), ERROR, ExecClearTuple(), ExecDropSingleTupleTableSlot(), ExecStoreVirtualTuple(), FormData_pg_ts_config_map, get_namespace_name(), get_ts_config_oid(), get_ts_parser_oid(), GetNewOidWithIndex(), GETSTRUCT(), GetUserId(), heap_form_tuple(), heap_freetuple(), HeapTupleIsValid, i, InvalidOid, InvokeObjectPostCreateHook, lfirst, makeConfigurationDependencies(), MakeSingleTupleTableSlot(), MAX_CATALOG_MULTI_INSERT_BYTES, NameGetDatum(), namestrcpy(), object_aclcheck(), OBJECT_SCHEMA, ObjectAddressSet, ObjectIdGetDatum(), OidIsValid, palloc(), QualifiedNameGetCreationNamespace(), RelationData::rd_att, RelationGetDescr, ReleaseSysCache(), RowExclusiveLock, ScanKeyInit(), SearchSysCache1(), systable_beginscan(), systable_endscan(), systable_getnext(), table_close(), table_open(), TupleTableSlot::tts_values, TTSOpsHeapTuple, and values.

Referenced by ProcessUtilitySlow().

DefineTSDictionary()

ObjectAddress DefineTSDictionary	(	List *	names,
		List *	parameters
	)

Definition at line 397 of file tsearchcmds.c.

{
    ListCell   *pl;
    Relation    dictRel;
    HeapTuple   tup;
    Datum       values[Natts_pg_ts_dict];
    bool        nulls[Natts_pg_ts_dict];
    NameData    dname;
    Oid         templId = InvalidOid;
    List       *dictoptions = NIL;
    Oid         dictOid;
    Oid         namespaceoid;
    AclResult   aclresult;
    char       *dictname;
    ObjectAddress address;
 
    /* Convert list of names to a name and namespace */
    namespaceoid = QualifiedNameGetCreationNamespace(names, &dictname);
 
    /* Check we have creation rights in target namespace */
    aclresult = object_aclcheck(NamespaceRelationId, namespaceoid, GetUserId(), ACL_CREATE);
    if (aclresult != ACLCHECK_OK)
        aclcheck_error(aclresult, OBJECT_SCHEMA,
                       get_namespace_name(namespaceoid));
 
    /*
     * loop over the definition list and extract the information we need.
     */
    foreach(pl, parameters)
    {
        DefElem    *defel = (DefElem *) lfirst(pl);
 
        if (strcmp(defel->defname, "template") == 0)
        {
            templId = get_ts_template_oid(defGetQualifiedName(defel), false);
        }
        else
        {
            /* Assume it's an option for the dictionary itself */
            dictoptions = lappend(dictoptions, defel);
        }
    }
 
    /*
     * Validation
     */
    if (!OidIsValid(templId))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("text search template is required")));
 
    verify_dictoptions(templId, dictoptions);
 
 
    dictRel = table_open(TSDictionaryRelationId, RowExclusiveLock);
 
    /*
     * Looks good, insert
     */
    memset(values, 0, sizeof(values));
    memset(nulls, false, sizeof(nulls));
 
    dictOid = GetNewOidWithIndex(dictRel, TSDictionaryOidIndexId,
                                 Anum_pg_ts_dict_oid);
    values[Anum_pg_ts_dict_oid - 1] = ObjectIdGetDatum(dictOid);
    namestrcpy(&dname, dictname);
    values[Anum_pg_ts_dict_dictname - 1] = NameGetDatum(&dname);
    values[Anum_pg_ts_dict_dictnamespace - 1] = ObjectIdGetDatum(namespaceoid);
    values[Anum_pg_ts_dict_dictowner - 1] = ObjectIdGetDatum(GetUserId());
    values[Anum_pg_ts_dict_dicttemplate - 1] = ObjectIdGetDatum(templId);
    if (dictoptions)
        values[Anum_pg_ts_dict_dictinitoption - 1] =
            PointerGetDatum(serialize_deflist(dictoptions));
    else
        nulls[Anum_pg_ts_dict_dictinitoption - 1] = true;
 
    tup = heap_form_tuple(dictRel->rd_att, values, nulls);
 
    CatalogTupleInsert(dictRel, tup);
 
    address = makeDictionaryDependencies(tup);
 
    /* Post creation hook for new text search dictionary */
    InvokeObjectPostCreateHook(TSDictionaryRelationId, dictOid, 0);
 
    heap_freetuple(tup);
 
    table_close(dictRel, RowExclusiveLock);
 
    return address;
}

References ACL_CREATE, aclcheck_error(), ACLCHECK_OK, CatalogTupleInsert(), defGetQualifiedName(), DefElem::defname, ereport, errcode(), errmsg(), ERROR, get_namespace_name(), get_ts_template_oid(), GetNewOidWithIndex(), GetUserId(), heap_form_tuple(), heap_freetuple(), InvalidOid, InvokeObjectPostCreateHook, lappend(), lfirst, makeDictionaryDependencies(), NameGetDatum(), namestrcpy(), NIL, object_aclcheck(), OBJECT_SCHEMA, ObjectIdGetDatum(), OidIsValid, PointerGetDatum(), QualifiedNameGetCreationNamespace(), RelationData::rd_att, RowExclusiveLock, serialize_deflist(), table_close(), table_open(), values, and verify_dictoptions().

Referenced by ProcessUtilitySlow().

DefineTSParser()

ObjectAddress DefineTSParser	(	List *	names,
		List *	parameters
	)

Definition at line 184 of file tsearchcmds.c.

{
    char       *prsname;
    ListCell   *pl;
    Relation    prsRel;
    HeapTuple   tup;
    Datum       values[Natts_pg_ts_parser];
    bool        nulls[Natts_pg_ts_parser];
    NameData    pname;
    Oid         prsOid;
    Oid         namespaceoid;
    ObjectAddress address;
 
    if (!superuser())
        ereport(ERROR,
                (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
                 errmsg("must be superuser to create text search parsers")));
 
    prsRel = table_open(TSParserRelationId, RowExclusiveLock);
 
    /* Convert list of names to a name and namespace */
    namespaceoid = QualifiedNameGetCreationNamespace(names, &prsname);
 
    /* initialize tuple fields with name/namespace */
    memset(values, 0, sizeof(values));
    memset(nulls, false, sizeof(nulls));
 
    prsOid = GetNewOidWithIndex(prsRel, TSParserOidIndexId,
                                Anum_pg_ts_parser_oid);
    values[Anum_pg_ts_parser_oid - 1] = ObjectIdGetDatum(prsOid);
    namestrcpy(&pname, prsname);
    values[Anum_pg_ts_parser_prsname - 1] = NameGetDatum(&pname);
    values[Anum_pg_ts_parser_prsnamespace - 1] = ObjectIdGetDatum(namespaceoid);
 
    /*
     * loop over the definition list and extract the information we need.
     */
    foreach(pl, parameters)
    {
        DefElem    *defel = (DefElem *) lfirst(pl);
 
        if (strcmp(defel->defname, "start") == 0)
        {
            values[Anum_pg_ts_parser_prsstart - 1] =
                get_ts_parser_func(defel, Anum_pg_ts_parser_prsstart);
        }
        else if (strcmp(defel->defname, "gettoken") == 0)
        {
            values[Anum_pg_ts_parser_prstoken - 1] =
                get_ts_parser_func(defel, Anum_pg_ts_parser_prstoken);
        }
        else if (strcmp(defel->defname, "end") == 0)
        {
            values[Anum_pg_ts_parser_prsend - 1] =
                get_ts_parser_func(defel, Anum_pg_ts_parser_prsend);
        }
        else if (strcmp(defel->defname, "headline") == 0)
        {
            values[Anum_pg_ts_parser_prsheadline - 1] =
                get_ts_parser_func(defel, Anum_pg_ts_parser_prsheadline);
        }
        else if (strcmp(defel->defname, "lextypes") == 0)
        {
            values[Anum_pg_ts_parser_prslextype - 1] =
                get_ts_parser_func(defel, Anum_pg_ts_parser_prslextype);
        }
        else
            ereport(ERROR,
                    (errcode(ERRCODE_SYNTAX_ERROR),
                     errmsg("text search parser parameter \"%s\" not recognized",
                            defel->defname)));
    }
 
    /*
     * Validation
     */
    if (!OidIsValid(DatumGetObjectId(values[Anum_pg_ts_parser_prsstart - 1])))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("text search parser start method is required")));
 
    if (!OidIsValid(DatumGetObjectId(values[Anum_pg_ts_parser_prstoken - 1])))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("text search parser gettoken method is required")));
 
    if (!OidIsValid(DatumGetObjectId(values[Anum_pg_ts_parser_prsend - 1])))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("text search parser end method is required")));
 
    if (!OidIsValid(DatumGetObjectId(values[Anum_pg_ts_parser_prslextype - 1])))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("text search parser lextypes method is required")));
 
    /*
     * Looks good, insert
     */
    tup = heap_form_tuple(prsRel->rd_att, values, nulls);
 
    CatalogTupleInsert(prsRel, tup);
 
    address = makeParserDependencies(tup);
 
    /* Post creation hook for new text search parser */
    InvokeObjectPostCreateHook(TSParserRelationId, prsOid, 0);
 
    heap_freetuple(tup);
 
    table_close(prsRel, RowExclusiveLock);
 
    return address;
}

References CatalogTupleInsert(), DatumGetObjectId(), DefElem::defname, ereport, errcode(), errmsg(), ERROR, get_ts_parser_func(), GetNewOidWithIndex(), heap_form_tuple(), heap_freetuple(), InvokeObjectPostCreateHook, lfirst, makeParserDependencies(), NameGetDatum(), namestrcpy(), ObjectIdGetDatum(), OidIsValid, QualifiedNameGetCreationNamespace(), RelationData::rd_att, RowExclusiveLock, superuser(), table_close(), table_open(), and values.

Referenced by ProcessUtilitySlow().

DefineTSTemplate()

ObjectAddress DefineTSTemplate	(	List *	names,
		List *	parameters
	)

Definition at line 690 of file tsearchcmds.c.

{
    ListCell   *pl;
    Relation    tmplRel;
    HeapTuple   tup;
    Datum       values[Natts_pg_ts_template];
    bool        nulls[Natts_pg_ts_template];
    NameData    dname;
    int         i;
    Oid         tmplOid;
    Oid         namespaceoid;
    char       *tmplname;
    ObjectAddress address;
 
    if (!superuser())
        ereport(ERROR,
                (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
                 errmsg("must be superuser to create text search templates")));
 
    /* Convert list of names to a name and namespace */
    namespaceoid = QualifiedNameGetCreationNamespace(names, &tmplname);
 
    tmplRel = table_open(TSTemplateRelationId, RowExclusiveLock);
 
    for (i = 0; i < Natts_pg_ts_template; i++)
    {
        nulls[i] = false;
        values[i] = ObjectIdGetDatum(InvalidOid);
    }
 
    tmplOid = GetNewOidWithIndex(tmplRel, TSTemplateOidIndexId,
                                 Anum_pg_ts_dict_oid);
    values[Anum_pg_ts_template_oid - 1] = ObjectIdGetDatum(tmplOid);
    namestrcpy(&dname, tmplname);
    values[Anum_pg_ts_template_tmplname - 1] = NameGetDatum(&dname);
    values[Anum_pg_ts_template_tmplnamespace - 1] = ObjectIdGetDatum(namespaceoid);
 
    /*
     * loop over the definition list and extract the information we need.
     */
    foreach(pl, parameters)
    {
        DefElem    *defel = (DefElem *) lfirst(pl);
 
        if (strcmp(defel->defname, "init") == 0)
        {
            values[Anum_pg_ts_template_tmplinit - 1] =
                get_ts_template_func(defel, Anum_pg_ts_template_tmplinit);
            nulls[Anum_pg_ts_template_tmplinit - 1] = false;
        }
        else if (strcmp(defel->defname, "lexize") == 0)
        {
            values[Anum_pg_ts_template_tmpllexize - 1] =
                get_ts_template_func(defel, Anum_pg_ts_template_tmpllexize);
            nulls[Anum_pg_ts_template_tmpllexize - 1] = false;
        }
        else
            ereport(ERROR,
                    (errcode(ERRCODE_SYNTAX_ERROR),
                     errmsg("text search template parameter \"%s\" not recognized",
                            defel->defname)));
    }
 
    /*
     * Validation
     */
    if (!OidIsValid(DatumGetObjectId(values[Anum_pg_ts_template_tmpllexize - 1])))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("text search template lexize method is required")));
 
    /*
     * Looks good, insert
     */
    tup = heap_form_tuple(tmplRel->rd_att, values, nulls);
 
    CatalogTupleInsert(tmplRel, tup);
 
    address = makeTSTemplateDependencies(tup);
 
    /* Post creation hook for new text search template */
    InvokeObjectPostCreateHook(TSTemplateRelationId, tmplOid, 0);
 
    heap_freetuple(tup);
 
    table_close(tmplRel, RowExclusiveLock);
 
    return address;
}

References CatalogTupleInsert(), DatumGetObjectId(), DefElem::defname, ereport, errcode(), errmsg(), ERROR, get_ts_template_func(), GetNewOidWithIndex(), heap_form_tuple(), heap_freetuple(), i, InvalidOid, InvokeObjectPostCreateHook, lfirst, makeTSTemplateDependencies(), NameGetDatum(), namestrcpy(), ObjectIdGetDatum(), OidIsValid, QualifiedNameGetCreationNamespace(), RelationData::rd_att, RowExclusiveLock, superuser(), table_close(), table_open(), and values.

Referenced by ProcessUtilitySlow().

deserialize_deflist()

List * deserialize_deflist

(

Datum

txt

)

Definition at line 1621 of file tsearchcmds.c.

{
    text       *in = DatumGetTextPP(txt);   /* in case it's toasted */
    List       *result = NIL;
    int         len = VARSIZE_ANY_EXHDR(in);
    char       *ptr,
               *endptr,
               *workspace,
               *wsptr = NULL,
               *startvalue = NULL;
    typedef enum
    {
        CS_WAITKEY,
        CS_INKEY,
        CS_INQKEY,
        CS_WAITEQ,
        CS_WAITVALUE,
        CS_INSQVALUE,
        CS_INDQVALUE,
        CS_INWVALUE
    } ds_state;
    ds_state    state = CS_WAITKEY;
 
    workspace = (char *) palloc(len + 1);   /* certainly enough room */
    ptr = VARDATA_ANY(in);
    endptr = ptr + len;
    for (; ptr < endptr; ptr++)
    {
        switch (state)
        {
            case CS_WAITKEY:
                if (isspace((unsigned char) *ptr) || *ptr == ',')
                    continue;
                if (*ptr == '"')
                {
                    wsptr = workspace;
                    state = CS_INQKEY;
                }
                else
                {
                    wsptr = workspace;
                    *wsptr++ = *ptr;
                    state = CS_INKEY;
                }
                break;
            case CS_INKEY:
                if (isspace((unsigned char) *ptr))
                {
                    *wsptr++ = '\0';
                    state = CS_WAITEQ;
                }
                else if (*ptr == '=')
                {
                    *wsptr++ = '\0';
                    state = CS_WAITVALUE;
                }
                else
                {
                    *wsptr++ = *ptr;
                }
                break;
            case CS_INQKEY:
                if (*ptr == '"')
                {
                    if (ptr + 1 < endptr && ptr[1] == '"')
                    {
                        /* copy only one of the two quotes */
                        *wsptr++ = *ptr++;
                    }
                    else
                    {
                        *wsptr++ = '\0';
                        state = CS_WAITEQ;
                    }
                }
                else
                {
                    *wsptr++ = *ptr;
                }
                break;
            case CS_WAITEQ:
                if (*ptr == '=')
                    state = CS_WAITVALUE;
                else if (!isspace((unsigned char) *ptr))
                    ereport(ERROR,
                            (errcode(ERRCODE_SYNTAX_ERROR),
                             errmsg("invalid parameter list format: \"%s\"",
                                    text_to_cstring(in))));
                break;
            case CS_WAITVALUE:
                if (*ptr == '\'')
                {
                    startvalue = wsptr;
                    state = CS_INSQVALUE;
                }
                else if (*ptr == 'E' && ptr + 1 < endptr && ptr[1] == '\'')
                {
                    ptr++;
                    startvalue = wsptr;
                    state = CS_INSQVALUE;
                }
                else if (*ptr == '"')
                {
                    startvalue = wsptr;
                    state = CS_INDQVALUE;
                }
                else if (!isspace((unsigned char) *ptr))
                {
                    startvalue = wsptr;
                    *wsptr++ = *ptr;
                    state = CS_INWVALUE;
                }
                break;
            case CS_INSQVALUE:
                if (*ptr == '\'')
                {
                    if (ptr + 1 < endptr && ptr[1] == '\'')
                    {
                        /* copy only one of the two quotes */
                        *wsptr++ = *ptr++;
                    }
                    else
                    {
                        *wsptr++ = '\0';
                        result = lappend(result,
                                         buildDefItem(workspace,
                                                      startvalue,
                                                      true));
                        state = CS_WAITKEY;
                    }
                }
                else if (*ptr == '\\')
                {
                    if (ptr + 1 < endptr && ptr[1] == '\\')
                    {
                        /* copy only one of the two backslashes */
                        *wsptr++ = *ptr++;
                    }
                    else
                        *wsptr++ = *ptr;
                }
                else
                {
                    *wsptr++ = *ptr;
                }
                break;
            case CS_INDQVALUE:
                if (*ptr == '"')
                {
                    if (ptr + 1 < endptr && ptr[1] == '"')
                    {
                        /* copy only one of the two quotes */
                        *wsptr++ = *ptr++;
                    }
                    else
                    {
                        *wsptr++ = '\0';
                        result = lappend(result,
                                         buildDefItem(workspace,
                                                      startvalue,
                                                      true));
                        state = CS_WAITKEY;
                    }
                }
                else
                {
                    *wsptr++ = *ptr;
                }
                break;
            case CS_INWVALUE:
                if (*ptr == ',' || isspace((unsigned char) *ptr))
                {
                    *wsptr++ = '\0';
                    result = lappend(result,
                                     buildDefItem(workspace,
                                                  startvalue,
                                                  false));
                    state = CS_WAITKEY;
                }
                else
                {
                    *wsptr++ = *ptr;
                }
                break;
            default:
                elog(ERROR, "unrecognized deserialize_deflist state: %d",
                     state);
        }
    }
 
    if (state == CS_INWVALUE)
    {
        *wsptr++ = '\0';
        result = lappend(result,
                         buildDefItem(workspace,
                                      startvalue,
                                      false));
    }
    else if (state != CS_WAITKEY)
        ereport(ERROR,
                (errcode(ERRCODE_SYNTAX_ERROR),
                 errmsg("invalid parameter list format: \"%s\"",
                        text_to_cstring(in))));
 
    pfree(workspace);
 
    return result;
}

References buildDefItem(), DatumGetTextPP, elog, ereport, errcode(), errmsg(), ERROR, lappend(), len, NIL, palloc(), pfree(), text_to_cstring(), VARDATA_ANY, and VARSIZE_ANY_EXHDR.

Referenced by AlterTSDictionary(), lookup_ts_dictionary_cache(), ts_headline_byid_opt(), ts_headline_json_byid_opt(), and ts_headline_jsonb_byid_opt().

DropConfigurationMapping()

static void DropConfigurationMapping ( AlterTSConfigurationStmt *  stmt, HeapTuple  tup, Relation  relMap  )

static

Definition at line 1491 of file tsearchcmds.c.

{
    Form_pg_ts_config tsform;
    Oid         cfgId;
    ScanKeyData skey[2];
    SysScanDesc scan;
    HeapTuple   maptup;
    Oid         prsId;
    List       *tokens = NIL;
    ListCell   *c;
 
    tsform = (Form_pg_ts_config) GETSTRUCT(tup);
    cfgId = tsform->oid;
    prsId = tsform->cfgparser;
 
    tokens = getTokenTypes(prsId, stmt->tokentype);
 
    foreach(c, tokens)
    {
        TSTokenTypeItem *ts = (TSTokenTypeItem *) lfirst(c);
        bool        found = false;
 
        ScanKeyInit(&skey[0],
                    Anum_pg_ts_config_map_mapcfg,
                    BTEqualStrategyNumber, F_OIDEQ,
                    ObjectIdGetDatum(cfgId));
        ScanKeyInit(&skey[1],
                    Anum_pg_ts_config_map_maptokentype,
                    BTEqualStrategyNumber, F_INT4EQ,
                    Int32GetDatum(ts->num));
 
        scan = systable_beginscan(relMap, TSConfigMapIndexId, true,
                                  NULL, 2, skey);
 
        while (HeapTupleIsValid((maptup = systable_getnext(scan))))
        {
            CatalogTupleDelete(relMap, &maptup->t_self);
            found = true;
        }
 
        systable_endscan(scan);
 
        if (!found)
        {
            if (!stmt->missing_ok)
            {
                ereport(ERROR,
                        (errcode(ERRCODE_UNDEFINED_OBJECT),
                         errmsg("mapping for token type \"%s\" does not exist",
                                ts->name)));
            }
            else
            {
                ereport(NOTICE,
                        (errmsg("mapping for token type \"%s\" does not exist, skipping",
                                ts->name)));
            }
        }
    }
 
    EventTriggerCollectAlterTSConfig(stmt, cfgId, NULL, 0);
}

References BTEqualStrategyNumber, CatalogTupleDelete(), ereport, errcode(), errmsg(), ERROR, EventTriggerCollectAlterTSConfig(), GETSTRUCT(), getTokenTypes(), HeapTupleIsValid, Int32GetDatum(), lfirst, TSTokenTypeItem::name, NIL, NOTICE, TSTokenTypeItem::num, ObjectIdGetDatum(), ScanKeyInit(), stmt, systable_beginscan(), systable_endscan(), systable_getnext(), and HeapTupleData::t_self.

Referenced by AlterTSConfiguration().

get_ts_parser_func()

static Datum get_ts_parser_func ( DefElem *  defel, int  attnum  )

static

Definition at line 74 of file tsearchcmds.c.

{
    List       *funcName = defGetQualifiedName(defel);
    Oid         typeId[3];
    Oid         retTypeId;
    int         nargs;
    Oid         procOid;
 
    retTypeId = INTERNALOID;    /* correct for most */
    typeId[0] = INTERNALOID;
    switch (attnum)
    {
        case Anum_pg_ts_parser_prsstart:
            nargs = 2;
            typeId[1] = INT4OID;
            break;
        case Anum_pg_ts_parser_prstoken:
            nargs = 3;
            typeId[1] = INTERNALOID;
            typeId[2] = INTERNALOID;
            break;
        case Anum_pg_ts_parser_prsend:
            nargs = 1;
            retTypeId = VOIDOID;
            break;
        case Anum_pg_ts_parser_prsheadline:
            nargs = 3;
            typeId[1] = INTERNALOID;
            typeId[2] = TSQUERYOID;
            break;
        case Anum_pg_ts_parser_prslextype:
            nargs = 1;
 
            /*
             * Note: because the lextype method returns type internal, it must
             * have an internal-type argument for security reasons.  The
             * argument is not actually used, but is just passed as a zero.
             */
            break;
        default:
            /* should not be here */
            elog(ERROR, "unrecognized attribute for text search parser: %d",
                 attnum);
            nargs = 0;          /* keep compiler quiet */
    }
 
    procOid = LookupFuncName(funcName, nargs, typeId, false);
    if (get_func_rettype(procOid) != retTypeId)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("function %s should return type %s",
                        func_signature_string(funcName, nargs, NIL, typeId),
                        format_type_be(retTypeId))));
 
    return ObjectIdGetDatum(procOid);
}

References attnum, defGetQualifiedName(), elog, ereport, errcode(), errmsg(), ERROR, format_type_be(), func_signature_string(), get_func_rettype(), LookupFuncName(), NIL, and ObjectIdGetDatum().

Referenced by DefineTSParser().

get_ts_template_func()

static Datum get_ts_template_func ( DefElem *  defel, int  attnum  )

static

Definition at line 609 of file tsearchcmds.c.

{
    List       *funcName = defGetQualifiedName(defel);
    Oid         typeId[4];
    Oid         retTypeId;
    int         nargs;
    Oid         procOid;
 
    retTypeId = INTERNALOID;
    typeId[0] = INTERNALOID;
    typeId[1] = INTERNALOID;
    typeId[2] = INTERNALOID;
    typeId[3] = INTERNALOID;
    switch (attnum)
    {
        case Anum_pg_ts_template_tmplinit:
            nargs = 1;
            break;
        case Anum_pg_ts_template_tmpllexize:
            nargs = 4;
            break;
        default:
            /* should not be here */
            elog(ERROR, "unrecognized attribute for text search template: %d",
                 attnum);
            nargs = 0;          /* keep compiler quiet */
    }
 
    procOid = LookupFuncName(funcName, nargs, typeId, false);
    if (get_func_rettype(procOid) != retTypeId)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
                 errmsg("function %s should return type %s",
                        func_signature_string(funcName, nargs, NIL, typeId),
                        format_type_be(retTypeId))));
 
    return ObjectIdGetDatum(procOid);
}

References attnum, defGetQualifiedName(), elog, ereport, errcode(), errmsg(), ERROR, format_type_be(), func_signature_string(), get_func_rettype(), LookupFuncName(), NIL, and ObjectIdGetDatum().

Referenced by DefineTSTemplate().

getTokenTypes()

static List * getTokenTypes ( Oid  prsId, List *  tokennames  )

static

Definition at line 1229 of file tsearchcmds.c.

{
    TSParserCacheEntry *prs = lookup_ts_parser_cache(prsId);
    LexDescr   *list;
    List       *result = NIL;
    int         ntoken;
    ListCell   *tn;
 
    ntoken = list_length(tokennames);
    if (ntoken == 0)
        return NIL;
 
    if (!OidIsValid(prs->lextypeOid))
        elog(ERROR, "method lextype isn't defined for text search parser %u",
             prsId);
 
    /* lextype takes one dummy argument */
    list = (LexDescr *) DatumGetPointer(OidFunctionCall1(prs->lextypeOid,
                                                         (Datum) 0));
 
    foreach(tn, tokennames)
    {
        String     *val = lfirst_node(String, tn);
        bool        found = false;
        int         j;
 
        /* Skip if this token is already in the result */
        if (tstoken_list_member(strVal(val), result))
            continue;
 
        j = 0;
        while (list && list[j].lexid)
        {
            if (strcmp(strVal(val), list[j].alias) == 0)
            {
                TSTokenTypeItem *ts = (TSTokenTypeItem *) palloc0(sizeof(TSTokenTypeItem));
 
                ts->num = list[j].lexid;
                ts->name = pstrdup(strVal(val));
                result = lappend(result, ts);
                found = true;
                break;
            }
            j++;
        }
        if (!found)
            ereport(ERROR,
                    (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
                     errmsg("token type \"%s\" does not exist",
                            strVal(val))));
    }
 
    return result;
}

References DatumGetPointer(), elog, ereport, errcode(), errmsg(), ERROR, j, lappend(), TSParserCacheEntry::lextypeOid, lfirst_node, sort-test::list, list_length(), lookup_ts_parser_cache(), TSTokenTypeItem::name, NIL, TSTokenTypeItem::num, OidFunctionCall1, OidIsValid, palloc0(), pstrdup(), strVal, tstoken_list_member(), and val.

Referenced by DropConfigurationMapping(), and MakeConfigurationMapping().

GetTSConfigTuple()

static HeapTuple GetTSConfigTuple ( List *  names )

static

Definition at line 787 of file tsearchcmds.c.

{
    HeapTuple   tup;
    Oid         cfgId;
 
    cfgId = get_ts_config_oid(names, true);
    if (!OidIsValid(cfgId))
        return NULL;
 
    tup = SearchSysCache1(TSCONFIGOID, ObjectIdGetDatum(cfgId));
 
    if (!HeapTupleIsValid(tup)) /* should not happen */
        elog(ERROR, "cache lookup failed for text search configuration %u",
             cfgId);
 
    return tup;
}

References elog, ERROR, get_ts_config_oid(), HeapTupleIsValid, ObjectIdGetDatum(), OidIsValid, and SearchSysCache1().

Referenced by AlterTSConfiguration().

makeConfigurationDependencies()

static ObjectAddress makeConfigurationDependencies ( HeapTuple  tuple, bool  removeOld, Relation  mapRel  )

static

Definition at line 812 of file tsearchcmds.c.

{
    Form_pg_ts_config cfg = (Form_pg_ts_config) GETSTRUCT(tuple);
    ObjectAddresses *addrs;
    ObjectAddress myself,
                referenced;
 
    myself.classId = TSConfigRelationId;
    myself.objectId = cfg->oid;
    myself.objectSubId = 0;
 
    /* for ALTER case, first flush old dependencies, except extension deps */
    if (removeOld)
    {
        deleteDependencyRecordsFor(myself.classId, myself.objectId, true);
        deleteSharedDependencyRecordsFor(myself.classId, myself.objectId, 0);
    }
 
    /*
     * We use an ObjectAddresses list to remove possible duplicate
     * dependencies from the config map info.  The pg_ts_config items
     * shouldn't be duplicates, but might as well fold them all into one call.
     */
    addrs = new_object_addresses();
 
    /* dependency on namespace */
    referenced.classId = NamespaceRelationId;
    referenced.objectId = cfg->cfgnamespace;
    referenced.objectSubId = 0;
    add_exact_object_address(&referenced, addrs);
 
    /* dependency on owner */
    recordDependencyOnOwner(myself.classId, myself.objectId, cfg->cfgowner);
 
    /* dependency on extension */
    recordDependencyOnCurrentExtension(&myself, removeOld);
 
    /* dependency on parser */
    referenced.classId = TSParserRelationId;
    referenced.objectId = cfg->cfgparser;
    referenced.objectSubId = 0;
    add_exact_object_address(&referenced, addrs);
 
    /* dependencies on dictionaries listed in config map */
    if (mapRel)
    {
        ScanKeyData skey;
        SysScanDesc scan;
        HeapTuple   maptup;
 
        /* CCI to ensure we can see effects of caller's changes */
        CommandCounterIncrement();
 
        ScanKeyInit(&skey,
                    Anum_pg_ts_config_map_mapcfg,
                    BTEqualStrategyNumber, F_OIDEQ,
                    ObjectIdGetDatum(myself.objectId));
 
        scan = systable_beginscan(mapRel, TSConfigMapIndexId, true,
                                  NULL, 1, &skey);
 
        while (HeapTupleIsValid((maptup = systable_getnext(scan))))
        {
            Form_pg_ts_config_map cfgmap = (Form_pg_ts_config_map) GETSTRUCT(maptup);
 
            referenced.classId = TSDictionaryRelationId;
            referenced.objectId = cfgmap->mapdict;
            referenced.objectSubId = 0;
            add_exact_object_address(&referenced, addrs);
        }
 
        systable_endscan(scan);
    }
 
    /* Record 'em (this includes duplicate elimination) */
    record_object_address_dependencies(&myself, addrs, DEPENDENCY_NORMAL);
 
    free_object_addresses(addrs);
 
    return myself;
}

References add_exact_object_address(), BTEqualStrategyNumber, ObjectAddress::classId, CommandCounterIncrement(), deleteDependencyRecordsFor(), deleteSharedDependencyRecordsFor(), DEPENDENCY_NORMAL, free_object_addresses(), GETSTRUCT(), HeapTupleIsValid, new_object_addresses(), ObjectAddress::objectId, ObjectIdGetDatum(), ObjectAddress::objectSubId, record_object_address_dependencies(), recordDependencyOnCurrentExtension(), recordDependencyOnOwner(), ScanKeyInit(), systable_beginscan(), systable_endscan(), and systable_getnext().

Referenced by AlterTSConfiguration(), and DefineTSConfiguration().

MakeConfigurationMapping()

static void MakeConfigurationMapping ( AlterTSConfigurationStmt *  stmt, HeapTuple  tup, Relation  relMap  )

static

Definition at line 1288 of file tsearchcmds.c.

{
    Form_pg_ts_config tsform;
    Oid         cfgId;
    ScanKeyData skey[2];
    SysScanDesc scan;
    HeapTuple   maptup;
    int         i;
    int         j;
    Oid         prsId;
    List       *tokens = NIL;
    int         ntoken;
    Oid        *dictIds;
    int         ndict;
    ListCell   *c;
    CatalogIndexState indstate;
 
    tsform = (Form_pg_ts_config) GETSTRUCT(tup);
    cfgId = tsform->oid;
    prsId = tsform->cfgparser;
 
    tokens = getTokenTypes(prsId, stmt->tokentype);
    ntoken = list_length(tokens);
 
    if (stmt->override)
    {
        /*
         * delete maps for tokens if they exist and command was ALTER
         */
        foreach(c, tokens)
        {
            TSTokenTypeItem *ts = (TSTokenTypeItem *) lfirst(c);
 
            ScanKeyInit(&skey[0],
                        Anum_pg_ts_config_map_mapcfg,
                        BTEqualStrategyNumber, F_OIDEQ,
                        ObjectIdGetDatum(cfgId));
            ScanKeyInit(&skey[1],
                        Anum_pg_ts_config_map_maptokentype,
                        BTEqualStrategyNumber, F_INT4EQ,
                        Int32GetDatum(ts->num));
 
            scan = systable_beginscan(relMap, TSConfigMapIndexId, true,
                                      NULL, 2, skey);
 
            while (HeapTupleIsValid((maptup = systable_getnext(scan))))
            {
                CatalogTupleDelete(relMap, &maptup->t_self);
            }
 
            systable_endscan(scan);
        }
    }
 
    /*
     * Convert list of dictionary names to array of dict OIDs
     */
    ndict = list_length(stmt->dicts);
    dictIds = (Oid *) palloc(sizeof(Oid) * ndict);
    i = 0;
    foreach(c, stmt->dicts)
    {
        List       *names = (List *) lfirst(c);
 
        dictIds[i] = get_ts_dict_oid(names, false);
        i++;
    }
 
    indstate = CatalogOpenIndexes(relMap);
 
    if (stmt->replace)
    {
        /*
         * Replace a specific dictionary in existing entries
         */
        Oid         dictOld = dictIds[0],
                    dictNew = dictIds[1];
 
        ScanKeyInit(&skey[0],
                    Anum_pg_ts_config_map_mapcfg,
                    BTEqualStrategyNumber, F_OIDEQ,
                    ObjectIdGetDatum(cfgId));
 
        scan = systable_beginscan(relMap, TSConfigMapIndexId, true,
                                  NULL, 1, skey);
 
        while (HeapTupleIsValid((maptup = systable_getnext(scan))))
        {
            Form_pg_ts_config_map cfgmap = (Form_pg_ts_config_map) GETSTRUCT(maptup);
 
            /*
             * check if it's one of target token types
             */
            if (tokens)
            {
                bool        tokmatch = false;
 
                foreach(c, tokens)
                {
                    TSTokenTypeItem *ts = (TSTokenTypeItem *) lfirst(c);
 
                    if (cfgmap->maptokentype == ts->num)
                    {
                        tokmatch = true;
                        break;
                    }
                }
                if (!tokmatch)
                    continue;
            }
 
            /*
             * replace dictionary if match
             */
            if (cfgmap->mapdict == dictOld)
            {
                Datum       repl_val[Natts_pg_ts_config_map];
                bool        repl_null[Natts_pg_ts_config_map];
                bool        repl_repl[Natts_pg_ts_config_map];
                HeapTuple   newtup;
 
                memset(repl_val, 0, sizeof(repl_val));
                memset(repl_null, false, sizeof(repl_null));
                memset(repl_repl, false, sizeof(repl_repl));
 
                repl_val[Anum_pg_ts_config_map_mapdict - 1] = ObjectIdGetDatum(dictNew);
                repl_repl[Anum_pg_ts_config_map_mapdict - 1] = true;
 
                newtup = heap_modify_tuple(maptup,
                                           RelationGetDescr(relMap),
                                           repl_val, repl_null, repl_repl);
                CatalogTupleUpdateWithInfo(relMap, &newtup->t_self, newtup, indstate);
            }
        }
 
        systable_endscan(scan);
    }
    else
    {
        TupleTableSlot **slot;
        int         slotCount = 0;
        int         nslots;
 
        /* Allocate the slots to use and initialize them */
        nslots = Min(ntoken * ndict,
                     MAX_CATALOG_MULTI_INSERT_BYTES / sizeof(FormData_pg_ts_config_map));
        slot = palloc(sizeof(TupleTableSlot *) * nslots);
        for (i = 0; i < nslots; i++)
            slot[i] = MakeSingleTupleTableSlot(RelationGetDescr(relMap),
                                               &TTSOpsHeapTuple);
 
        /*
         * Insertion of new entries
         */
        foreach(c, tokens)
        {
            TSTokenTypeItem *ts = (TSTokenTypeItem *) lfirst(c);
 
            for (j = 0; j < ndict; j++)
            {
                ExecClearTuple(slot[slotCount]);
 
                memset(slot[slotCount]->tts_isnull, false,
                       slot[slotCount]->tts_tupleDescriptor->natts * sizeof(bool));
 
                slot[slotCount]->tts_values[Anum_pg_ts_config_map_mapcfg - 1] = ObjectIdGetDatum(cfgId);
                slot[slotCount]->tts_values[Anum_pg_ts_config_map_maptokentype - 1] = Int32GetDatum(ts->num);
                slot[slotCount]->tts_values[Anum_pg_ts_config_map_mapseqno - 1] = Int32GetDatum(j + 1);
                slot[slotCount]->tts_values[Anum_pg_ts_config_map_mapdict - 1] = ObjectIdGetDatum(dictIds[j]);
 
                ExecStoreVirtualTuple(slot[slotCount]);
                slotCount++;
 
                /* If slots are full, insert a batch of tuples */
                if (slotCount == nslots)
                {
                    CatalogTuplesMultiInsertWithInfo(relMap, slot, slotCount,
                                                     indstate);
                    slotCount = 0;
                }
            }
        }
 
        /* Insert any tuples left in the buffer */
        if (slotCount > 0)
            CatalogTuplesMultiInsertWithInfo(relMap, slot, slotCount,
                                             indstate);
 
        for (i = 0; i < nslots; i++)
            ExecDropSingleTupleTableSlot(slot[i]);
    }
 
    /* clean up */
    CatalogCloseIndexes(indstate);
 
    EventTriggerCollectAlterTSConfig(stmt, cfgId, dictIds, ndict);
}

References BTEqualStrategyNumber, CatalogCloseIndexes(), CatalogOpenIndexes(), CatalogTupleDelete(), CatalogTuplesMultiInsertWithInfo(), CatalogTupleUpdateWithInfo(), EventTriggerCollectAlterTSConfig(), ExecClearTuple(), ExecDropSingleTupleTableSlot(), ExecStoreVirtualTuple(), FormData_pg_ts_config_map, get_ts_dict_oid(), GETSTRUCT(), getTokenTypes(), heap_modify_tuple(), HeapTupleIsValid, i, Int32GetDatum(), j, lfirst, list_length(), MakeSingleTupleTableSlot(), MAX_CATALOG_MULTI_INSERT_BYTES, Min, NIL, TSTokenTypeItem::num, ObjectIdGetDatum(), palloc(), RelationGetDescr, ScanKeyInit(), stmt, systable_beginscan(), systable_endscan(), systable_getnext(), HeapTupleData::t_self, TupleTableSlot::tts_values, and TTSOpsHeapTuple.

Referenced by AlterTSConfiguration().

makeDictionaryDependencies()

static ObjectAddress makeDictionaryDependencies ( HeapTuple  tuple )

static

Definition at line 307 of file tsearchcmds.c.

{
    Form_pg_ts_dict dict = (Form_pg_ts_dict) GETSTRUCT(tuple);
    ObjectAddress myself,
                referenced;
    ObjectAddresses *addrs;
 
    ObjectAddressSet(myself, TSDictionaryRelationId, dict->oid);
 
    /* dependency on owner */
    recordDependencyOnOwner(myself.classId, myself.objectId, dict->dictowner);
 
    /* dependency on extension */
    recordDependencyOnCurrentExtension(&myself, false);
 
    addrs = new_object_addresses();
 
    /* dependency on namespace */
    ObjectAddressSet(referenced, NamespaceRelationId, dict->dictnamespace);
    add_exact_object_address(&referenced, addrs);
 
    /* dependency on template */
    ObjectAddressSet(referenced, TSTemplateRelationId, dict->dicttemplate);
    add_exact_object_address(&referenced, addrs);
 
    record_object_address_dependencies(&myself, addrs, DEPENDENCY_NORMAL);
    free_object_addresses(addrs);
 
    return myself;
}

References add_exact_object_address(), ObjectAddress::classId, DEPENDENCY_NORMAL, free_object_addresses(), GETSTRUCT(), new_object_addresses(), ObjectAddressSet, ObjectAddress::objectId, record_object_address_dependencies(), recordDependencyOnCurrentExtension(), and recordDependencyOnOwner().

Referenced by DefineTSDictionary().

makeParserDependencies()

static ObjectAddress makeParserDependencies ( HeapTuple  tuple )

static

Definition at line 137 of file tsearchcmds.c.

{
    Form_pg_ts_parser prs = (Form_pg_ts_parser) GETSTRUCT(tuple);
    ObjectAddress myself,
                referenced;
    ObjectAddresses *addrs;
 
    ObjectAddressSet(myself, TSParserRelationId, prs->oid);
 
    /* dependency on extension */
    recordDependencyOnCurrentExtension(&myself, false);
 
    addrs = new_object_addresses();
 
    /* dependency on namespace */
    ObjectAddressSet(referenced, NamespaceRelationId, prs->prsnamespace);
    add_exact_object_address(&referenced, addrs);
 
    /* dependencies on functions */
    ObjectAddressSet(referenced, ProcedureRelationId, prs->prsstart);
    add_exact_object_address(&referenced, addrs);
 
    referenced.objectId = prs->prstoken;
    add_exact_object_address(&referenced, addrs);
 
    referenced.objectId = prs->prsend;
    add_exact_object_address(&referenced, addrs);
 
    referenced.objectId = prs->prslextype;
    add_exact_object_address(&referenced, addrs);
 
    if (OidIsValid(prs->prsheadline))
    {
        referenced.objectId = prs->prsheadline;
        add_exact_object_address(&referenced, addrs);
    }
 
    record_object_address_dependencies(&myself, addrs, DEPENDENCY_NORMAL);
    free_object_addresses(addrs);
 
    return myself;
}

References add_exact_object_address(), DEPENDENCY_NORMAL, free_object_addresses(), GETSTRUCT(), new_object_addresses(), ObjectAddressSet, ObjectAddress::objectId, OidIsValid, record_object_address_dependencies(), and recordDependencyOnCurrentExtension().

Referenced by DefineTSParser().

makeTSTemplateDependencies()

static ObjectAddress makeTSTemplateDependencies ( HeapTuple  tuple )

static

Definition at line 652 of file tsearchcmds.c.

{
    Form_pg_ts_template tmpl = (Form_pg_ts_template) GETSTRUCT(tuple);
    ObjectAddress myself,
                referenced;
    ObjectAddresses *addrs;
 
    ObjectAddressSet(myself, TSTemplateRelationId, tmpl->oid);
 
    /* dependency on extension */
    recordDependencyOnCurrentExtension(&myself, false);
 
    addrs = new_object_addresses();
 
    /* dependency on namespace */
    ObjectAddressSet(referenced, NamespaceRelationId, tmpl->tmplnamespace);
    add_exact_object_address(&referenced, addrs);
 
    /* dependencies on functions */
    ObjectAddressSet(referenced, ProcedureRelationId, tmpl->tmpllexize);
    add_exact_object_address(&referenced, addrs);
 
    if (OidIsValid(tmpl->tmplinit))
    {
        referenced.objectId = tmpl->tmplinit;
        add_exact_object_address(&referenced, addrs);
    }
 
    record_object_address_dependencies(&myself, addrs, DEPENDENCY_NORMAL);
    free_object_addresses(addrs);
 
    return myself;
}

References add_exact_object_address(), DEPENDENCY_NORMAL, free_object_addresses(), GETSTRUCT(), new_object_addresses(), ObjectAddressSet, ObjectAddress::objectId, OidIsValid, record_object_address_dependencies(), and recordDependencyOnCurrentExtension().

Referenced by DefineTSTemplate().

RemoveTSConfigurationById()

void RemoveTSConfigurationById

(

Oid

cfgId

)

Definition at line 1108 of file tsearchcmds.c.

{
    Relation    relCfg,
                relMap;
    HeapTuple   tup;
    ScanKeyData skey;
    SysScanDesc scan;
 
    /* Remove the pg_ts_config entry */
    relCfg = table_open(TSConfigRelationId, RowExclusiveLock);
 
    tup = SearchSysCache1(TSCONFIGOID, ObjectIdGetDatum(cfgId));
 
    if (!HeapTupleIsValid(tup))
        elog(ERROR, "cache lookup failed for text search dictionary %u",
             cfgId);
 
    CatalogTupleDelete(relCfg, &tup->t_self);
 
    ReleaseSysCache(tup);
 
    table_close(relCfg, RowExclusiveLock);
 
    /* Remove any pg_ts_config_map entries */
    relMap = table_open(TSConfigMapRelationId, RowExclusiveLock);
 
    ScanKeyInit(&skey,
                Anum_pg_ts_config_map_mapcfg,
                BTEqualStrategyNumber, F_OIDEQ,
                ObjectIdGetDatum(cfgId));
 
    scan = systable_beginscan(relMap, TSConfigMapIndexId, true,
                              NULL, 1, &skey);
 
    while (HeapTupleIsValid((tup = systable_getnext(scan))))
    {
        CatalogTupleDelete(relMap, &tup->t_self);
    }
 
    systable_endscan(scan);
 
    table_close(relMap, RowExclusiveLock);
}

References BTEqualStrategyNumber, CatalogTupleDelete(), elog, ERROR, HeapTupleIsValid, ObjectIdGetDatum(), ReleaseSysCache(), RowExclusiveLock, ScanKeyInit(), SearchSysCache1(), systable_beginscan(), systable_endscan(), systable_getnext(), HeapTupleData::t_self, table_close(), and table_open().

Referenced by doDeletion().

serialize_deflist()

text * serialize_deflist

(

List *

deflist

)

Definition at line 1565 of file tsearchcmds.c.

{
    text       *result;
    StringInfoData buf;
    ListCell   *l;
 
    initStringInfo(&buf);
 
    foreach(l, deflist)
    {
        DefElem    *defel = (DefElem *) lfirst(l);
        char       *val = defGetString(defel);
 
        appendStringInfo(&buf, "%s = ",
                         quote_identifier(defel->defname));
 
        /*
         * If the value is a T_Integer or T_Float, emit it without quotes,
         * otherwise with quotes.  This is essential to allow correct
         * reconstruction of the node type as well as the value.
         */
        if (IsA(defel->arg, Integer) || IsA(defel->arg, Float))
            appendStringInfoString(&buf, val);
        else
        {
            /* If backslashes appear, force E syntax to quote them safely */
            if (strchr(val, '\\'))
                appendStringInfoChar(&buf, ESCAPE_STRING_SYNTAX);
            appendStringInfoChar(&buf, '\'');
            while (*val)
            {
                char        ch = *val++;
 
                if (SQL_STR_DOUBLE(ch, true))
                    appendStringInfoChar(&buf, ch);
                appendStringInfoChar(&buf, ch);
            }
            appendStringInfoChar(&buf, '\'');
        }
        if (lnext(deflist, l) != NULL)
            appendStringInfoString(&buf, ", ");
    }
 
    result = cstring_to_text_with_len(buf.data, buf.len);
    pfree(buf.data);
    return result;
}

References appendStringInfo(), appendStringInfoChar(), appendStringInfoString(), DefElem::arg, buf, cstring_to_text_with_len(), defGetString(), DefElem::defname, ESCAPE_STRING_SYNTAX, initStringInfo(), IsA, lfirst, lnext(), pfree(), quote_identifier(), SQL_STR_DOUBLE, and val.

Referenced by AlterTSDictionary(), and DefineTSDictionary().

tstoken_list_member()

static bool tstoken_list_member ( char *  token_name, List *  tokens  )

static

Definition at line 1204 of file tsearchcmds.c.

{
    ListCell   *c;
    bool        found = false;
 
    foreach(c, tokens)
    {
        TSTokenTypeItem *ts = (TSTokenTypeItem *) lfirst(c);
 
        if (strcmp(token_name, ts->name) == 0)
        {
            found = true;
            break;
        }
    }
 
    return found;
}

References lfirst, and TSTokenTypeItem::name.

Referenced by getTokenTypes().

verify_dictoptions()

static void verify_dictoptions ( Oid  tmplId, List *  dictoptions  )

static

Definition at line 342 of file tsearchcmds.c.

{
    HeapTuple   tup;
    Form_pg_ts_template tform;
    Oid         initmethod;
 
    /*
     * Suppress this test when running in a standalone backend.  This is a
     * hack to allow initdb to create prefab dictionaries that might not
     * actually be usable in template1's encoding (due to using external files
     * that can't be translated into template1's encoding).  We want to create
     * them anyway, since they might be usable later in other databases.
     */
    if (!IsUnderPostmaster)
        return;
 
    tup = SearchSysCache1(TSTEMPLATEOID, ObjectIdGetDatum(tmplId));
    if (!HeapTupleIsValid(tup)) /* should not happen */
        elog(ERROR, "cache lookup failed for text search template %u",
             tmplId);
    tform = (Form_pg_ts_template) GETSTRUCT(tup);
 
    initmethod = tform->tmplinit;
 
    if (!OidIsValid(initmethod))
    {
        /* If there is no init method, disallow any options */
        if (dictoptions)
            ereport(ERROR,
                    (errcode(ERRCODE_SYNTAX_ERROR),
                     errmsg("text search template \"%s\" does not accept options",
                            NameStr(tform->tmplname))));
    }
    else
    {
        /*
         * Copy the options just in case init method thinks it can scribble on
         * them ...
         */
        dictoptions = copyObject(dictoptions);
 
        /*
         * Call the init method and see if it complains.  We don't worry about
         * it leaking memory, since our command will soon be over anyway.
         */
        (void) OidFunctionCall1(initmethod, PointerGetDatum(dictoptions));
    }
 
    ReleaseSysCache(tup);
}

References copyObject, elog, ereport, errcode(), errmsg(), ERROR, GETSTRUCT(), HeapTupleIsValid, IsUnderPostmaster, NameStr, ObjectIdGetDatum(), OidFunctionCall1, OidIsValid, PointerGetDatum(), ReleaseSysCache(), and SearchSysCache1().

Referenced by AlterTSDictionary(), and DefineTSDictionary().