diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 170 |
1 files changed, 114 insertions, 56 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index f39ab8586a5..89335d95e7b 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -123,7 +123,8 @@ typedef struct Query CmdType commandType; /* select|insert|update|delete|merge|utility */ - QuerySource querySource; /* where did I come from? */ + /* where did I come from? */ + QuerySource querySource; /* * query identifier (can be set by plugins); ignored for equal, as it @@ -131,39 +132,58 @@ typedef struct Query */ uint64 queryId pg_node_attr(equal_ignore, read_write_ignore, read_as(0)); - bool canSetTag; /* do I set the command result tag? */ + /* do I set the command result tag? */ + bool canSetTag; Node *utilityStmt; /* non-null if commandType == CMD_UTILITY */ - int resultRelation; /* rtable index of target relation for - * INSERT/UPDATE/DELETE/MERGE; 0 for SELECT */ - - bool hasAggs; /* has aggregates in tlist or havingQual */ - bool hasWindowFuncs; /* has window functions in tlist */ - bool hasTargetSRFs; /* has set-returning functions in tlist */ - bool hasSubLinks; /* has subquery SubLink */ - bool hasDistinctOn; /* distinctClause is from DISTINCT ON */ - bool hasRecursive; /* WITH RECURSIVE was specified */ - bool hasModifyingCTE; /* has INSERT/UPDATE/DELETE in WITH */ - bool hasForUpdate; /* FOR [KEY] UPDATE/SHARE was specified */ - bool hasRowSecurity; /* rewriter has applied some RLS policy */ - - bool isReturn; /* is a RETURN statement */ + /* + * rtable index of target relation for INSERT/UPDATE/DELETE/MERGE; 0 for + * SELECT. + */ + int resultRelation; + + /* has aggregates in tlist or havingQual */ + bool hasAggs; + /* has window functions in tlist */ + bool hasWindowFuncs; + /* has set-returning functions in tlist */ + bool hasTargetSRFs; + /* has subquery SubLink */ + bool hasSubLinks; + /* distinctClause is from DISTINCT ON */ + bool hasDistinctOn; + /* WITH RECURSIVE was specified */ + bool hasRecursive; + /* has INSERT/UPDATE/DELETE in WITH */ + bool hasModifyingCTE; + /* FOR [KEY] UPDATE/SHARE was specified */ + bool hasForUpdate; + /* rewriter has applied some RLS policy */ + bool hasRowSecurity; + /* is a RETURN statement */ + bool isReturn; List *cteList; /* WITH list (of CommonTableExpr's) */ List *rtable; /* list of range table entries */ - List *rteperminfos; /* list of RTEPermissionInfo nodes for the - * rtable entries having perminfoindex > 0 */ + + /* + * list of RTEPermissionInfo nodes for the rtable entries having + * perminfoindex > 0 + */ + List *rteperminfos; FromExpr *jointree; /* table join tree (FROM and WHERE clauses); * also USING clause for MERGE */ List *mergeActionList; /* list of actions for MERGE (only) */ - bool mergeUseOuterJoin; /* whether to use outer join */ + /* whether to use outer join */ + bool mergeUseOuterJoin; List *targetList; /* target list (of TargetEntry) */ - OverridingKind override; /* OVERRIDING clause */ + /* OVERRIDING clause */ + OverridingKind override; OnConflictExpr *onConflict; /* ON CONFLICT DO [NOTHING | UPDATE] */ @@ -191,11 +211,14 @@ typedef struct Query Node *setOperations; /* set-operation tree if this is top level of * a UNION/INTERSECT/EXCEPT query */ - List *constraintDeps; /* a list of pg_constraint OIDs that the query - * depends on to be semantically valid */ + /* + * A list of pg_constraint OIDs that the query depends on to be + * semantically valid + */ + List *constraintDeps; - List *withCheckOptions; /* a list of WithCheckOption's (added - * during rewrite) */ + /* a list of WithCheckOption's (added during rewrite) */ + List *withCheckOptions; /* * The following two fields identify the portion of the source text string @@ -203,8 +226,10 @@ typedef struct Query * Queries, not in sub-queries. When not set, they might both be zero, or * both be -1 meaning "unknown". */ - int stmt_location; /* start location, or -1 if unknown */ - int stmt_len; /* length in bytes; 0 means "rest of string" */ + /* start location, or -1 if unknown */ + int stmt_location; + /* length in bytes; 0 means "rest of string" */ + int stmt_len; } Query; @@ -1231,14 +1256,21 @@ typedef struct RangeTblFunction NodeTag type; Node *funcexpr; /* expression tree for func call */ - int funccolcount; /* number of columns it contributes to RTE */ + /* number of columns it contributes to RTE */ + int funccolcount; /* These fields record the contents of a column definition list, if any: */ - List *funccolnames; /* column names (list of String) */ - List *funccoltypes; /* OID list of column type OIDs */ - List *funccoltypmods; /* integer list of column typmods */ - List *funccolcollations; /* OID list of column collation OIDs */ + /* column names (list of String) */ + List *funccolnames; + /* OID list of column type OIDs */ + List *funccoltypes; + /* integer list of column typmods */ + List *funccoltypmods; + /* OID list of column collation OIDs */ + List *funccolcollations; + /* This is set during planning for use by the executor: */ - Bitmapset *funcparams; /* PARAM_EXEC Param IDs affecting this func */ + /* PARAM_EXEC Param IDs affecting this func */ + Bitmapset *funcparams; } RangeTblFunction; /* @@ -1345,7 +1377,8 @@ typedef struct SortGroupClause Oid eqop; /* the equality operator ('=' op) */ Oid sortop; /* the ordering operator ('<' op), or 0 */ bool nulls_first; /* do NULLs come before normal values? */ - bool hashable; /* can eqop be implemented by hashing? */ + /* can eqop be implemented by hashing? */ + bool hashable; } SortGroupClause; /* @@ -1435,21 +1468,31 @@ typedef struct GroupingSet typedef struct WindowClause { NodeTag type; - char *name; /* window name (NULL in an OVER clause) */ - char *refname; /* referenced window name, if any */ + /* window name (NULL in an OVER clause) */ + char *name; + /* referenced window name, if any */ + char *refname; List *partitionClause; /* PARTITION BY list */ - List *orderClause; /* ORDER BY list */ + /* ORDER BY list */ + List *orderClause; int frameOptions; /* frame_clause options, see WindowDef */ Node *startOffset; /* expression for starting bound, if any */ Node *endOffset; /* expression for ending bound, if any */ - List *runCondition; /* qual to help short-circuit execution */ - Oid startInRangeFunc; /* in_range function for startOffset */ - Oid endInRangeFunc; /* in_range function for endOffset */ - Oid inRangeColl; /* collation for in_range tests */ - bool inRangeAsc; /* use ASC sort order for in_range tests? */ - bool inRangeNullsFirst; /* nulls sort first for in_range tests? */ + /* qual to help short-circuit execution */ + List *runCondition; + /* in_range function for startOffset */ + Oid startInRangeFunc; + /* in_range function for endOffset */ + Oid endInRangeFunc; + /* collation for in_range tests */ + Oid inRangeColl; + /* use ASC sort order for in_range tests? */ + bool inRangeAsc; + /* nulls sort first for in_range tests? */ + bool inRangeNullsFirst; Index winref; /* ID referenced by window functions */ - bool copiedOrder; /* did we copy orderClause from refname? */ + /* did we copy orderClause from refname? */ + bool copiedOrder; } WindowClause; /* @@ -1568,13 +1611,22 @@ typedef struct CommonTableExpr CTECycleClause *cycle_clause; int location; /* token location, or -1 if unknown */ /* These fields are set during parse analysis: */ - bool cterecursive; /* is this CTE actually recursive? */ - int cterefcount; /* number of RTEs referencing this CTE - * (excluding internal self-references) */ - List *ctecolnames; /* list of output column names */ - List *ctecoltypes; /* OID list of output column type OIDs */ - List *ctecoltypmods; /* integer list of output column typmods */ - List *ctecolcollations; /* OID list of column collation OIDs */ + /* is this CTE actually recursive? */ + bool cterecursive; + + /* + * Number of RTEs referencing this CTE (excluding internal + * self-references) + */ + int cterefcount; + /* list of output column names */ + List *ctecolnames; + /* OID list of output column type OIDs */ + List *ctecoltypes; + /* integer list of output column typmods */ + List *ctecoltypmods; + /* OID list of column collation OIDs */ + List *ctecolcollations; } CommonTableExpr; /* Convenience macro to get the output tlist of a CTE's query */ @@ -1611,10 +1663,12 @@ typedef struct MergeAction NodeTag type; bool matched; /* true=MATCHED, false=NOT MATCHED */ CmdType commandType; /* INSERT/UPDATE/DELETE/DO NOTHING */ - OverridingKind override; /* OVERRIDING clause */ + /* OVERRIDING clause */ + OverridingKind override; Node *qual; /* transformed WHEN conditions */ List *targetList; /* the target list (of TargetEntry) */ - List *updateColnos; /* target attribute numbers of an UPDATE */ + /* target attribute numbers of an UPDATE */ + List *updateColnos; } MergeAction; /* @@ -1824,10 +1878,14 @@ typedef struct SetOperationStmt /* Eventually add fields for CORRESPONDING spec here */ /* Fields derived during parse analysis: */ - List *colTypes; /* OID list of output column type OIDs */ - List *colTypmods; /* integer list of output column typmods */ - List *colCollations; /* OID list of output column collation OIDs */ - List *groupClauses; /* a list of SortGroupClause's */ + /* OID list of output column type OIDs */ + List *colTypes; + /* integer list of output column typmods */ + List *colTypmods; + /* OID list of output column collation OIDs */ + List *colCollations; + /* a list of SortGroupClause's */ + List *groupClauses; /* groupClauses is NIL if UNION ALL, but must be set otherwise */ } SetOperationStmt; |