PostgreSQL Source Code
git master
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#include "postgres.h"
#include "catalog/pg_type.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "nodes/pathnodes.h"
#include "nodes/plannodes.h"
#include "parser/parse_coerce.h"
#include "parser/parse_relation.h"
#include "parser/parsetree.h"
#include "rewrite/rewriteManip.h"
Go to the source code of this file.
Data Structures | |
struct | contain_aggs_of_level_context |
struct | locate_agg_of_level_context |
struct | locate_windowfunc_context |
struct | add_nulling_relids_context |
struct | remove_nulling_relids_context |
struct | OffsetVarNodes_context |
struct | ChangeVarNodes_context |
struct | IncrementVarSublevelsUp_context |
struct | rangeTableEntry_used_context |
struct | map_variable_attnos_context |
struct | ReplaceVarsFromTargetList_context |
Node* add_nulling_relids | ( | Node * | node, |
const Bitmapset * | target_relids, | ||
const Bitmapset * | added_relids | ||
) |
Definition at line 1134 of file rewriteManip.c.
References add_nulling_relids_mutator(), add_nulling_relids_context::added_relids, query_or_expression_tree_mutator, add_nulling_relids_context::sublevels_up, and add_nulling_relids_context::target_relids.
Referenced by deconstruct_distribute_oj_quals().
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Definition at line 1150 of file rewriteManip.c.
References add_nulling_relids_context::added_relids, bms_is_member(), bms_overlap(), bms_union(), copyObject, expression_tree_mutator, IsA, makeNode, PlaceHolderVar::phlevelsup, PlaceHolderVar::phnullingrels, query_tree_mutator, add_nulling_relids_context::sublevels_up, add_nulling_relids_context::target_relids, Var::varlevelsup, and Var::varno.
Referenced by add_nulling_relids().
Definition at line 1111 of file rewriteManip.c.
References AddQual(), BooleanTest::arg, BooleanTest::booltesttype, IS_NOT_TRUE, BooleanTest::location, and makeNode.
Referenced by CopyAndAddInvertedQual().
Definition at line 1043 of file rewriteManip.c.
References Assert(), checkExprHasSubLink(), CMD_UTILITY, Query::commandType, contain_aggs_of_level(), copyObject, ereport, errcode(), errmsg(), ERROR, IsA, Query::jointree, make_and_qual(), FromExpr::quals, Query::setOperations, and Query::utilityStmt.
Referenced by AddInvertedQual(), rewriteRuleAction(), and rewriteTargetView().
Definition at line 724 of file rewriteManip.c.
References bms_add_member(), bms_copy(), bms_del_member(), and bms_is_member().
Referenced by ChangeVarNodes_walker().
void ChangeVarNodes | ( | Node * | node, |
int | rt_index, | ||
int | new_index, | ||
int | sublevels_up | ||
) |
Definition at line 670 of file rewriteManip.c.
References ChangeVarNodes_walker(), OnConflictExpr::exclRelIndex, IsA, lfirst, ChangeVarNodes_context::new_index, Query::onConflict, query_tree_walker, Query::rowMarks, ChangeVarNodes_context::rt_index, RowMarkClause::rti, and ChangeVarNodes_context::sublevels_up.
Referenced by add_security_quals(), add_with_check_options(), ApplyRetrieveRule(), CopyAndAddInvertedQual(), get_relation_constraints(), get_relation_info(), get_relation_statistics(), rewriteRuleAction(), rewriteTargetView(), set_baserel_partition_constraint(), set_baserel_partition_key_exprs(), and TriggerEnabled().
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Definition at line 560 of file rewriteManip.c.
References adjust_relid_set(), Assert(), AppendRelInfo::child_relid, CurrentOfExpr::cvarno, expression_tree_walker, IsA, j, ChangeVarNodes_context::new_index, AppendRelInfo::parent_relid, PlaceHolderVar::phlevelsup, PlaceHolderVar::phnullingrels, PlanRowMark::prti, query_tree_walker, ChangeVarNodes_context::rt_index, PlanRowMark::rti, RangeTblRef::rtindex, ChangeVarNodes_context::sublevels_up, Var::varlevelsup, and Var::varno.
Referenced by ChangeVarNodes().
Definition at line 295 of file rewriteManip.c.
References checkExprHasSubLink_walker(), QTW_IGNORE_RC_SUBQUERIES, and query_or_expression_tree_walker.
Referenced by AddQual(), flatten_join_alias_vars_mutator(), RelationBuildRowSecurity(), replace_rte_variables_mutator(), rewriteRuleAction(), and rewriteTargetView().
Definition at line 308 of file rewriteManip.c.
References expression_tree_walker, and IsA.
Referenced by checkExprHasSubLink().
void CombineRangeTables | ( | List ** | dst_rtable, |
List ** | dst_perminfos, | ||
List * | src_rtable, | ||
List * | src_perminfos | ||
) |
Definition at line 350 of file rewriteManip.c.
References lfirst_node, list_concat(), list_length(), and RangeTblEntry::perminfoindex.
Referenced by convert_EXISTS_sublink_to_join(), pull_up_simple_subquery(), pull_up_simple_union_all(), and rewriteRuleAction().
Definition at line 85 of file rewriteManip.c.
References contain_aggs_of_level_walker(), query_or_expression_tree_walker, and contain_aggs_of_level_context::sublevels_up.
Referenced by AddQual(), checkTargetlistEntrySQL92(), and convert_EXISTS_to_ANY().
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Definition at line 102 of file rewriteManip.c.
References expression_tree_walker, IsA, query_tree_walker, and contain_aggs_of_level_context::sublevels_up.
Referenced by contain_aggs_of_level().
Definition at line 215 of file rewriteManip.c.
References contain_windowfuncs_walker(), and query_or_expression_tree_walker.
Referenced by checkTargetlistEntrySQL92(), contain_window_function(), and transformWindowFuncCall().
Definition at line 228 of file rewriteManip.c.
References expression_tree_walker, and IsA.
Referenced by contain_windowfuncs().
Definition at line 324 of file rewriteManip.c.
References expression_tree_walker, IsA, and PARAM_MULTIEXPR.
Referenced by ReplaceVarsFromTargetList_callback().
Definition at line 985 of file rewriteManip.c.
References Assert(), CMD_INSERT, CMD_SELECT, Query::commandType, elog(), ERROR, FromExpr::fromlist, IsA, Query::jointree, linitial, list_length(), PRS2_NEW_VARNO, PRS2_OLD_VARNO, rt_fetch, Query::rtable, RTE_SUBQUERY, RangeTblEntry::rtekind, RangeTblRef::rtindex, and RangeTblEntry::subquery.
Referenced by DefineQueryRewrite(), InsertRule(), make_ruledef(), rewriteRuleAction(), and transformRuleStmt().
void IncrementVarSublevelsUp | ( | Node * | node, |
int | delta_sublevels_up, | ||
int | min_sublevels_up | ||
) |
Definition at line 836 of file rewriteManip.c.
References IncrementVarSublevelsUp_context::delta_sublevels_up, IncrementVarSublevelsUp_walker(), IncrementVarSublevelsUp_context::min_sublevels_up, QTW_EXAMINE_RTES_BEFORE, and query_or_expression_tree_walker.
Referenced by assign_param_for_placeholdervar(), build_minmax_path(), convert_EXISTS_sublink_to_join(), convert_EXISTS_to_ANY(), extract_lateral_references(), flatten_join_alias_vars_mutator(), inline_cte_walker(), pull_up_simple_subquery(), pullup_replace_vars_callback(), replace_outer_agg(), replace_outer_grouping(), ReplaceVarsFromTargetList_callback(), rewriteSearchAndCycle(), and substitute_actual_srf_parameters_mutator().
void IncrementVarSublevelsUp_rtable | ( | List * | rtable, |
int | delta_sublevels_up, | ||
int | min_sublevels_up | ||
) |
Definition at line 859 of file rewriteManip.c.
References IncrementVarSublevelsUp_context::delta_sublevels_up, IncrementVarSublevelsUp_walker(), IncrementVarSublevelsUp_context::min_sublevels_up, QTW_EXAMINE_RTES_BEFORE, and range_table_walker.
Referenced by pull_up_simple_union_all().
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Definition at line 763 of file rewriteManip.c.
References GroupingFunc::agglevelsup, RangeTblEntry::ctelevelsup, IncrementVarSublevelsUp_context::delta_sublevels_up, elog(), ERROR, expression_tree_walker, IsA, IncrementVarSublevelsUp_context::min_sublevels_up, PlaceHolderVar::phlevelsup, QTW_EXAMINE_RTES_BEFORE, query_tree_walker, RTE_CTE, RangeTblEntry::rtekind, and Var::varlevelsup.
Referenced by IncrementVarSublevelsUp(), and IncrementVarSublevelsUp_rtable().
int locate_agg_of_level | ( | Node * | node, |
int | levelsup | ||
) |
Definition at line 149 of file rewriteManip.c.
References locate_agg_of_level_context::agg_location, locate_agg_of_level_walker(), query_or_expression_tree_walker, and locate_agg_of_level_context::sublevels_up.
Referenced by check_agg_arguments(), checkTargetlistEntrySQL92(), and parseCheckAggregates().
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Definition at line 169 of file rewriteManip.c.
References locate_agg_of_level_context::agg_location, expression_tree_walker, IsA, query_tree_walker, and locate_agg_of_level_context::sublevels_up.
Referenced by locate_agg_of_level().
int locate_windowfunc | ( | Node * | node | ) |
Definition at line 253 of file rewriteManip.c.
References locate_windowfunc_walker(), query_or_expression_tree_walker, and locate_windowfunc_context::win_location.
Referenced by checkTargetlistEntrySQL92(), and transformWindowFuncCall().
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Definition at line 272 of file rewriteManip.c.
References expression_tree_walker, IsA, and locate_windowfunc_context::win_location.
Referenced by locate_windowfunc().
Node* map_variable_attnos | ( | Node * | node, |
int | target_varno, | ||
int | sublevels_up, | ||
const AttrMap * | attno_map, | ||
Oid | to_rowtype, | ||
bool * | found_whole_row | ||
) |
Definition at line 1598 of file rewriteManip.c.
References map_variable_attnos_context::attno_map, map_variable_attnos_context::found_whole_row, map_variable_attnos_mutator(), query_or_expression_tree_mutator, map_variable_attnos_context::sublevels_up, map_variable_attnos_context::target_varno, and map_variable_attnos_context::to_rowtype.
Referenced by ATPrepAlterColumnType(), CompareIndexInfo(), DefineIndex(), ExecInitPartitionInfo(), expandTableLikeClause(), generateClonedIndexStmt(), map_partition_varattnos(), and MergeAttributes().
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Definition at line 1475 of file rewriteManip.c.
References ConvertRowtypeExpr::arg, Assert(), map_variable_attnos_context::attno_map, AttrMap::attnums, COERCE_IMPLICIT_CAST, elog(), ERROR, expression_tree_mutator, map_variable_attnos_context::found_whole_row, if(), IsA, ConvertRowtypeExpr::location, makeNode, AttrMap::maplen, OidIsValid, palloc(), query_tree_mutator, ConvertRowtypeExpr::resulttype, map_variable_attnos_context::sublevels_up, map_variable_attnos_context::target_varno, map_variable_attnos_context::to_rowtype, Var::varattno, Var::varlevelsup, and Var::varno.
Referenced by map_variable_attnos().
Definition at line 528 of file rewriteManip.c.
References bms_add_member(), and bms_next_member().
Referenced by OffsetVarNodes_walker().
void OffsetVarNodes | ( | Node * | node, |
int | offset, | ||
int | sublevels_up | ||
) |
Definition at line 480 of file rewriteManip.c.
References OnConflictExpr::exclRelIndex, IsA, lfirst, OffsetVarNodes_context::offset, OffsetVarNodes_walker(), Query::onConflict, query_tree_walker, Query::rowMarks, RowMarkClause::rti, and OffsetVarNodes_context::sublevels_up.
Referenced by convert_EXISTS_sublink_to_join(), pull_up_simple_subquery(), and rewriteRuleAction().
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Definition at line 391 of file rewriteManip.c.
References Assert(), AppendRelInfo::child_relid, CurrentOfExpr::cvarno, expression_tree_walker, IsA, j, OffsetVarNodes_context::offset, offset_relid_set(), AppendRelInfo::parent_relid, PlaceHolderVar::phlevelsup, PlaceHolderVar::phnullingrels, query_tree_walker, RangeTblRef::rtindex, OffsetVarNodes_context::sublevels_up, Var::varlevelsup, and Var::varno.
Referenced by OffsetVarNodes().
Definition at line 953 of file rewriteManip.c.
References query_or_expression_tree_walker, rangeTableEntry_used_walker(), rangeTableEntry_used_context::rt_index, and rangeTableEntry_used_context::sublevels_up.
Referenced by fireRIRrules(), matchLocks(), rewriteRuleAction(), and transformRuleStmt().
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Definition at line 886 of file rewriteManip.c.
References Assert(), bms_is_member(), CurrentOfExpr::cvarno, expression_tree_walker, IsA, j, query_tree_walker, rangeTableEntry_used_context::rt_index, RangeTblRef::rtindex, rangeTableEntry_used_context::sublevels_up, Var::varlevelsup, and Var::varno.
Referenced by rangeTableEntry_used().
Node* remove_nulling_relids | ( | Node * | node, |
const Bitmapset * | removable_relids, | ||
const Bitmapset * | except_relids | ||
) |
Definition at line 1221 of file rewriteManip.c.
References remove_nulling_relids_context::except_relids, query_or_expression_tree_mutator, remove_nulling_relids_context::removable_relids, remove_nulling_relids_mutator(), and remove_nulling_relids_context::sublevels_up.
Referenced by deconstruct_distribute_oj_quals(), have_partkey_equi_join(), reconsider_full_join_clause(), reduce_outer_joins(), and remove_useless_result_rtes().
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Definition at line 1237 of file rewriteManip.c.
References Assert(), bms_difference(), bms_is_empty, bms_is_member(), bms_overlap(), copyObject, remove_nulling_relids_context::except_relids, expression_tree_mutator, IsA, PlaceHolderVar::phlevelsup, PlaceHolderVar::phnullingrels, query_tree_mutator, remove_nulling_relids_context::removable_relids, remove_nulling_relids_context::sublevels_up, Var::varlevelsup, and Var::varno.
Referenced by remove_nulling_relids().
Node* replace_rte_variables | ( | Node * | node, |
int | target_varno, | ||
int | sublevels_up, | ||
replace_rte_variables_callback | callback, | ||
void * | callback_arg, | ||
bool * | outer_hasSubLinks | ||
) |
Definition at line 1329 of file rewriteManip.c.
References replace_rte_variables_context::callback, callback(), replace_rte_variables_context::callback_arg, elog(), ERROR, replace_rte_variables_context::inserted_sublink, IsA, query_or_expression_tree_mutator, replace_rte_variables_mutator(), replace_rte_variables_context::sublevels_up, and replace_rte_variables_context::target_varno.
Referenced by pullup_replace_vars(), pullup_replace_vars_subquery(), and ReplaceVarsFromTargetList().
Node* replace_rte_variables_mutator | ( | Node * | node, |
replace_rte_variables_context * | context | ||
) |
Definition at line 1376 of file rewriteManip.c.
References replace_rte_variables_context::callback, checkExprHasSubLink(), CurrentOfExpr::cvarno, ereport, errcode(), errmsg(), ERROR, expression_tree_mutator, replace_rte_variables_context::inserted_sublink, IsA, query_tree_mutator, replace_rte_variables_context::sublevels_up, replace_rte_variables_context::target_varno, Var::varlevelsup, and Var::varno.
Referenced by pullup_replace_vars_callback(), replace_rte_variables(), and ReplaceVarsFromTargetList_callback().
Node* ReplaceVarsFromTargetList | ( | Node * | node, |
int | target_varno, | ||
int | sublevels_up, | ||
RangeTblEntry * | target_rte, | ||
List * | targetlist, | ||
ReplaceVarsNoMatchOption | nomatch_option, | ||
int | nomatch_varno, | ||
bool * | outer_hasSubLinks | ||
) |
Definition at line 1756 of file rewriteManip.c.
References ReplaceVarsFromTargetList_context::nomatch_option, ReplaceVarsFromTargetList_context::nomatch_varno, replace_rte_variables(), ReplaceVarsFromTargetList_callback(), ReplaceVarsFromTargetList_context::target_rte, and ReplaceVarsFromTargetList_context::targetlist.
Referenced by CopyAndAddInvertedQual(), rewriteRuleAction(), rewriteTargetView(), and subquery_push_qual().
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Definition at line 1652 of file rewriteManip.c.
References RowExpr::args, replace_rte_variables_context::callback_arg, COERCE_IMPLICIT_CAST, coerce_to_domain(), COERCION_IMPLICIT, contains_multiexpr_param(), copyObject, elog(), ereport, errcode(), errmsg(), ERROR, expandRTE(), get_tle_by_resno(), if(), IncrementVarSublevelsUp(), InvalidAttrNumber, InvalidOid, Var::location, RowExpr::location, makeNode, makeNullConst(), NIL, ReplaceVarsFromTargetList_context::nomatch_option, ReplaceVarsFromTargetList_context::nomatch_varno, replace_rte_variables_mutator(), REPLACEVARS_CHANGE_VARNO, REPLACEVARS_REPORT_ERROR, REPLACEVARS_SUBSTITUTE_NULL, ReplaceVarsFromTargetList_context::target_rte, ReplaceVarsFromTargetList_context::targetlist, Var::varattno, Var::varlevelsup, and Var::varno.
Referenced by ReplaceVarsFromTargetList().