#include "postgres.h"
#include <ctype.h>
#include "ltree.h"

Include dependency graph for _ltree_op.c:

Macros
#define	NEXTVAL(x) ( (ltree)( (char)(x) + INTALIGN( VARSIZE(x) ) ) )

Typedefs
typedef Datum(*	PGCALL2 )(PG_FUNCTION_ARGS)

Functions
	PG_FUNCTION_INFO_V1 (_ltree_isparent)

	PG_FUNCTION_INFO_V1 (_ltree_r_isparent)

	PG_FUNCTION_INFO_V1 (_ltree_risparent)

	PG_FUNCTION_INFO_V1 (_ltree_r_risparent)

	PG_FUNCTION_INFO_V1 (_ltq_regex)

	PG_FUNCTION_INFO_V1 (_ltq_rregex)

	PG_FUNCTION_INFO_V1 (_lt_q_regex)

	PG_FUNCTION_INFO_V1 (_lt_q_rregex)

	PG_FUNCTION_INFO_V1 (_ltxtq_exec)

	PG_FUNCTION_INFO_V1 (_ltxtq_rexec)

	PG_FUNCTION_INFO_V1 (_ltree_extract_isparent)

	PG_FUNCTION_INFO_V1 (_ltree_extract_risparent)

	PG_FUNCTION_INFO_V1 (_ltq_extract_regex)

	PG_FUNCTION_INFO_V1 (_ltxtq_extract_exec)

	PG_FUNCTION_INFO_V1 (_lca)

static bool	array_iterator (ArrayType la, PGCALL2 callback, void param, ltree **found)

Datum	_ltree_isparent (PG_FUNCTION_ARGS)

Datum	_ltree_r_isparent (PG_FUNCTION_ARGS)

Datum	_ltree_risparent (PG_FUNCTION_ARGS)

Datum	_ltree_r_risparent (PG_FUNCTION_ARGS)

Datum	_ltq_regex (PG_FUNCTION_ARGS)

Datum	_ltq_rregex (PG_FUNCTION_ARGS)

Datum	_lt_q_regex (PG_FUNCTION_ARGS)

Datum	_lt_q_rregex (PG_FUNCTION_ARGS)

Datum	_ltxtq_exec (PG_FUNCTION_ARGS)

Datum	_ltxtq_rexec (PG_FUNCTION_ARGS)

Datum	_ltree_extract_isparent (PG_FUNCTION_ARGS)

Datum	_ltree_extract_risparent (PG_FUNCTION_ARGS)

Datum	_ltq_extract_regex (PG_FUNCTION_ARGS)

Datum	_ltxtq_extract_exec (PG_FUNCTION_ARGS)

Datum	_lca (PG_FUNCTION_ARGS)

Macro Definition Documentation

#define NEXTVAL ( x ) ( (ltree*)( (char*)(x) + INTALIGN( VARSIZE(x) ) ) )

Definition at line 34 of file _ltree_op.c.

Referenced by _lca(), _lt_q_regex(), and array_iterator().

Typedef Documentation

typedef Datum(* PGCALL2)(PG_FUNCTION_ARGS)

Definition at line 32 of file _ltree_op.c.

Function Documentation

Datum _lca ( PG_FUNCTION_ARGS )

Definition at line 292 of file _ltree_op.c.

References ARR_DATA_PTR, ARR_DIMS, ARR_NDIM, array_contains_nulls(), ArrayGetNItems(), ereport, errcode(), errmsg(), ERROR, lca_inner(), NEXTVAL, palloc(), pfree(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_RETURN_NULL, and PG_RETURN_POINTER.

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     int         num = ArrayGetNItems(ARR_NDIM(la), ARR_DIMS(la));
     ltree      *item = (ltree *) ARR_DATA_PTR(la);
     ltree     **a,
                *res;
 
     if (ARR_NDIM(la) > 1)
         ereport(ERROR,
                 (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
                  errmsg("array must be one-dimensional")));
     if (array_contains_nulls(la))
         ereport(ERROR,
                 (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
                  errmsg("array must not contain nulls")));
 
     a = (ltree **) palloc(sizeof(ltree *) * num);
     while (num > 0)
     {
         num--;
         a[num] = item;
         item = NEXTVAL(item);
     }
     res = lca_inner(a, ArrayGetNItems(ARR_NDIM(la), ARR_DIMS(la)));
     pfree(a);
 
     PG_FREE_IF_COPY(la, 0);
 
     if (res)
         PG_RETURN_POINTER(res);
     else
         PG_RETURN_NULL();
 }

Datum _lt_q_regex ( PG_FUNCTION_ARGS )

Definition at line 134 of file _ltree_op.c.

References ARR_DATA_PTR, ARR_DIMS, ARR_NDIM, array_contains_nulls(), array_iterator(), ArrayGetNItems(), ereport, errcode(), errmsg(), ERROR, ltq_regex(), NEXTVAL, NULL, PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, and PG_RETURN_BOOL.

Referenced by _lt_q_rregex().

 {
     ArrayType  *_tree = PG_GETARG_ARRAYTYPE_P(0);
     ArrayType  *_query = PG_GETARG_ARRAYTYPE_P(1);
     lquery     *query = (lquery *) ARR_DATA_PTR(_query);
     bool        res = false;
     int         num = ArrayGetNItems(ARR_NDIM(_query), ARR_DIMS(_query));
 
     if (ARR_NDIM(_query) > 1)
         ereport(ERROR,
                 (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
                  errmsg("array must be one-dimensional")));
     if (array_contains_nulls(_query))
         ereport(ERROR,
                 (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
                  errmsg("array must not contain nulls")));
 
     while (num > 0)
     {
         if (array_iterator(_tree, ltq_regex, (void *) query, NULL))
         {
             res = true;
             break;
         }
         num--;
         query = (lquery *) NEXTVAL(query);
     }
 
     PG_FREE_IF_COPY(_tree, 0);
     PG_FREE_IF_COPY(_query, 1);
     PG_RETURN_BOOL(res);
 }

Datum _lt_q_rregex ( PG_FUNCTION_ARGS )

Definition at line 168 of file _ltree_op.c.

References _lt_q_regex(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

 {
     PG_RETURN_DATUM(DirectFunctionCall2(_lt_q_regex,
                                         PG_GETARG_DATUM(1),
                                         PG_GETARG_DATUM(0)
                                         ));
 }

Datum _ltq_extract_regex ( PG_FUNCTION_ARGS )

Definition at line 246 of file _ltree_op.c.

References array_iterator(), ltq_regex(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LQUERY, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE.

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     lquery     *query = PG_GETARG_LQUERY(1);
     ltree      *found,
                *item;
 
     if (!array_iterator(la, ltq_regex, (void *) query, &found))
     {
         PG_FREE_IF_COPY(la, 0);
         PG_FREE_IF_COPY(query, 1);
         PG_RETURN_NULL();
     }
 
     item = (ltree *) palloc0(VARSIZE(found));
     memcpy(item, found, VARSIZE(found));
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_POINTER(item);
 }

Datum _ltq_regex ( PG_FUNCTION_ARGS )

Definition at line 113 of file _ltree_op.c.

References array_iterator(), ltq_regex(), NULL, PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LQUERY, and PG_RETURN_BOOL.

Referenced by _ltq_rregex().

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     lquery     *query = PG_GETARG_LQUERY(1);
     bool        res = array_iterator(la, ltq_regex, (void *) query, NULL);
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_BOOL(res);
 }

Datum _ltq_rregex ( PG_FUNCTION_ARGS )

Definition at line 125 of file _ltree_op.c.

References _ltq_regex(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

 {
     PG_RETURN_DATUM(DirectFunctionCall2(_ltq_regex,
                                         PG_GETARG_DATUM(1),
                                         PG_GETARG_DATUM(0)
                                         ));
 }

Datum _ltree_extract_isparent ( PG_FUNCTION_ARGS )

Definition at line 200 of file _ltree_op.c.

References array_iterator(), ltree_isparent(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE.

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     ltree      *query = PG_GETARG_LTREE(1);
     ltree      *found,
                *item;
 
     if (!array_iterator(la, ltree_isparent, (void *) query, &found))
     {
         PG_FREE_IF_COPY(la, 0);
         PG_FREE_IF_COPY(query, 1);
         PG_RETURN_NULL();
     }
 
     item = (ltree *) palloc0(VARSIZE(found));
     memcpy(item, found, VARSIZE(found));
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_POINTER(item);
 }

Datum _ltree_extract_risparent ( PG_FUNCTION_ARGS )

Definition at line 223 of file _ltree_op.c.

References array_iterator(), ltree_risparent(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE.

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     ltree      *query = PG_GETARG_LTREE(1);
     ltree      *found,
                *item;
 
     if (!array_iterator(la, ltree_risparent, (void *) query, &found))
     {
         PG_FREE_IF_COPY(la, 0);
         PG_FREE_IF_COPY(query, 1);
         PG_RETURN_NULL();
     }
 
     item = (ltree *) palloc0(VARSIZE(found));
     memcpy(item, found, VARSIZE(found));
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_POINTER(item);
 }

Datum _ltree_isparent ( PG_FUNCTION_ARGS )

Definition at line 71 of file _ltree_op.c.

References array_iterator(), ltree_isparent(), NULL, PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE, and PG_RETURN_BOOL.

Referenced by _ltree_r_isparent().

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     ltree      *query = PG_GETARG_LTREE(1);
     bool        res = array_iterator(la, ltree_isparent, (void *) query, NULL);
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_BOOL(res);
 }

Datum _ltree_r_isparent ( PG_FUNCTION_ARGS )

Definition at line 83 of file _ltree_op.c.

References _ltree_isparent(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

 {
     PG_RETURN_DATUM(DirectFunctionCall2(_ltree_isparent,
                                         PG_GETARG_DATUM(1),
                                         PG_GETARG_DATUM(0)
                                         ));
 }

Datum _ltree_r_risparent ( PG_FUNCTION_ARGS )

Definition at line 104 of file _ltree_op.c.

References _ltree_risparent(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

 {
     PG_RETURN_DATUM(DirectFunctionCall2(_ltree_risparent,
                                         PG_GETARG_DATUM(1),
                                         PG_GETARG_DATUM(0)
                                         ));
 }

Datum _ltree_risparent ( PG_FUNCTION_ARGS )

Definition at line 92 of file _ltree_op.c.

References array_iterator(), ltree_risparent(), NULL, PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE, and PG_RETURN_BOOL.

Referenced by _ltree_r_risparent().

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     ltree      *query = PG_GETARG_LTREE(1);
     bool        res = array_iterator(la, ltree_risparent, (void *) query, NULL);
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_BOOL(res);
 }

Datum _ltxtq_exec ( PG_FUNCTION_ARGS )

Definition at line 178 of file _ltree_op.c.

References array_iterator(), ltxtq_exec(), NULL, PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTXTQUERY, and PG_RETURN_BOOL.

Referenced by _ltxtq_rexec().

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     ltxtquery  *query = PG_GETARG_LTXTQUERY(1);
     bool        res = array_iterator(la, ltxtq_exec, (void *) query, NULL);
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_BOOL(res);
 }

Datum _ltxtq_extract_exec ( PG_FUNCTION_ARGS )

Definition at line 269 of file _ltree_op.c.

References array_iterator(), ltxtq_exec(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTXTQUERY, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE.

 {
     ArrayType  *la = PG_GETARG_ARRAYTYPE_P(0);
     ltxtquery  *query = PG_GETARG_LTXTQUERY(1);
     ltree      *found,
                *item;
 
     if (!array_iterator(la, ltxtq_exec, (void *) query, &found))
     {
         PG_FREE_IF_COPY(la, 0);
         PG_FREE_IF_COPY(query, 1);
         PG_RETURN_NULL();
     }
 
     item = (ltree *) palloc0(VARSIZE(found));
     memcpy(item, found, VARSIZE(found));
 
     PG_FREE_IF_COPY(la, 0);
     PG_FREE_IF_COPY(query, 1);
     PG_RETURN_POINTER(item);
 }

Datum _ltxtq_rexec ( PG_FUNCTION_ARGS )

Definition at line 190 of file _ltree_op.c.

References _ltxtq_exec(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

 {
     PG_RETURN_DATUM(DirectFunctionCall2(_ltxtq_exec,
                                         PG_GETARG_DATUM(1),
                                         PG_GETARG_DATUM(0)
                                         ));
 }

static bool array_iterator	(	ArrayType *	la,
		PGCALL2	callback,
		void *	param,
		ltree **	found
	)

static

Definition at line 37 of file _ltree_op.c.

References ARR_DATA_PTR, ARR_DIMS, ARR_NDIM, array_contains_nulls(), ArrayGetNItems(), DatumGetBool, DirectFunctionCall2, ereport, errcode(), errmsg(), ERROR, NEXTVAL, NULL, and PointerGetDatum.

Referenced by _lt_q_regex(), _ltq_extract_regex(), _ltq_regex(), _ltree_extract_isparent(), _ltree_extract_risparent(), _ltree_isparent(), _ltree_risparent(), _ltxtq_exec(), _ltxtq_extract_exec(), array_position_common(), array_positions(), and exec_stmt_foreach_a().

 {
     int         num = ArrayGetNItems(ARR_NDIM(la), ARR_DIMS(la));
     ltree      *item = (ltree *) ARR_DATA_PTR(la);
 
     if (ARR_NDIM(la) > 1)
         ereport(ERROR,
                 (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
                  errmsg("array must be one-dimensional")));
     if (array_contains_nulls(la))
         ereport(ERROR,
                 (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
                  errmsg("array must not contain nulls")));
 
     if (found)
         *found = NULL;
     while (num > 0)
     {
         if (DatumGetBool(DirectFunctionCall2(callback,
                                              PointerGetDatum(item), PointerGetDatum(param))))
         {
 
             if (found)
                 *found = item;
             return true;
         }
         num--;
         item = NEXTVAL(item);
     }
 
     return false;
 }

PG_FUNCTION_INFO_V1 ( _ltree_isparent )

PG_FUNCTION_INFO_V1 ( _ltree_r_isparent )

PG_FUNCTION_INFO_V1 ( _ltree_risparent )

PG_FUNCTION_INFO_V1 ( _ltree_r_risparent )

PG_FUNCTION_INFO_V1 ( _ltq_regex )

PG_FUNCTION_INFO_V1 ( _ltq_rregex )

PG_FUNCTION_INFO_V1 ( _lt_q_regex )

PG_FUNCTION_INFO_V1 ( _lt_q_rregex )

PG_FUNCTION_INFO_V1 ( _ltxtq_exec )

PG_FUNCTION_INFO_V1 ( _ltxtq_rexec )

PG_FUNCTION_INFO_V1 ( _ltree_extract_isparent )

PG_FUNCTION_INFO_V1 ( _ltree_extract_risparent )

PG_FUNCTION_INFO_V1 ( _ltq_extract_regex )

PG_FUNCTION_INFO_V1 ( _ltxtq_extract_exec )

PG_FUNCTION_INFO_V1 ( _lca )

Macros

Typedefs

Functions

Macro Definition Documentation

Typedef Documentation

Function Documentation