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parse_expr.h File Reference
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Functions

NodetransformExpr (ParseState *pstate, Node *expr, ParseExprKind exprKind)
 
const char * ParseExprKindName (ParseExprKind exprKind)
 

Variables

PGDLLIMPORT bool Transform_null_equals
 

Function Documentation

◆ ParseExprKindName()

const char * ParseExprKindName ( ParseExprKind  exprKind)

Definition at line 3129 of file parse_expr.c.

3130{
3131 switch (exprKind)
3132 {
3133 case EXPR_KIND_NONE:
3134 return "invalid expression context";
3135 case EXPR_KIND_OTHER:
3136 return "extension expression";
3137 case EXPR_KIND_JOIN_ON:
3138 return "JOIN/ON";
3140 return "JOIN/USING";
3142 return "sub-SELECT in FROM";
3144 return "function in FROM";
3145 case EXPR_KIND_WHERE:
3146 return "WHERE";
3147 case EXPR_KIND_POLICY:
3148 return "POLICY";
3149 case EXPR_KIND_HAVING:
3150 return "HAVING";
3151 case EXPR_KIND_FILTER:
3152 return "FILTER";
3154 return "window PARTITION BY";
3156 return "window ORDER BY";
3158 return "window RANGE";
3160 return "window ROWS";
3162 return "window GROUPS";
3164 return "SELECT";
3166 return "INSERT";
3169 return "UPDATE";
3171 return "MERGE WHEN";
3172 case EXPR_KIND_GROUP_BY:
3173 return "GROUP BY";
3174 case EXPR_KIND_ORDER_BY:
3175 return "ORDER BY";
3177 return "DISTINCT ON";
3178 case EXPR_KIND_LIMIT:
3179 return "LIMIT";
3180 case EXPR_KIND_OFFSET:
3181 return "OFFSET";
3184 return "RETURNING";
3185 case EXPR_KIND_VALUES:
3187 return "VALUES";
3190 return "CHECK";
3193 return "DEFAULT";
3195 return "index expression";
3197 return "index predicate";
3199 return "statistics expression";
3201 return "USING";
3203 return "EXECUTE";
3205 return "WHEN";
3207 return "partition bound";
3209 return "PARTITION BY";
3211 return "CALL";
3213 return "WHERE";
3215 return "GENERATED AS";
3217 return "CYCLE";
3218
3219 /*
3220 * There is intentionally no default: case here, so that the
3221 * compiler will warn if we add a new ParseExprKind without
3222 * extending this switch. If we do see an unrecognized value at
3223 * runtime, we'll fall through to the "unrecognized" return.
3224 */
3225 }
3226 return "unrecognized expression kind";
3227}
@ EXPR_KIND_EXECUTE_PARAMETER
Definition: parse_node.h:76
@ EXPR_KIND_DOMAIN_CHECK
Definition: parse_node.h:69
@ EXPR_KIND_COPY_WHERE
Definition: parse_node.h:82
@ EXPR_KIND_COLUMN_DEFAULT
Definition: parse_node.h:70
@ EXPR_KIND_DISTINCT_ON
Definition: parse_node.h:61
@ EXPR_KIND_MERGE_WHEN
Definition: parse_node.h:58
@ EXPR_KIND_STATS_EXPRESSION
Definition: parse_node.h:74
@ EXPR_KIND_INDEX_EXPRESSION
Definition: parse_node.h:72
@ EXPR_KIND_MERGE_RETURNING
Definition: parse_node.h:65
@ EXPR_KIND_PARTITION_BOUND
Definition: parse_node.h:79
@ EXPR_KIND_FUNCTION_DEFAULT
Definition: parse_node.h:71
@ EXPR_KIND_WINDOW_FRAME_RANGE
Definition: parse_node.h:51
@ EXPR_KIND_VALUES
Definition: parse_node.h:66
@ EXPR_KIND_FROM_SUBSELECT
Definition: parse_node.h:44
@ EXPR_KIND_POLICY
Definition: parse_node.h:78
@ EXPR_KIND_WINDOW_FRAME_GROUPS
Definition: parse_node.h:53
@ EXPR_KIND_PARTITION_EXPRESSION
Definition: parse_node.h:80
@ EXPR_KIND_JOIN_USING
Definition: parse_node.h:43
@ EXPR_KIND_INDEX_PREDICATE
Definition: parse_node.h:73
@ EXPR_KIND_ORDER_BY
Definition: parse_node.h:60
@ EXPR_KIND_OFFSET
Definition: parse_node.h:63
@ EXPR_KIND_JOIN_ON
Definition: parse_node.h:42
@ EXPR_KIND_HAVING
Definition: parse_node.h:47
@ EXPR_KIND_INSERT_TARGET
Definition: parse_node.h:55
@ EXPR_KIND_ALTER_COL_TRANSFORM
Definition: parse_node.h:75
@ EXPR_KIND_LIMIT
Definition: parse_node.h:62
@ EXPR_KIND_WHERE
Definition: parse_node.h:46
@ EXPR_KIND_UPDATE_TARGET
Definition: parse_node.h:57
@ EXPR_KIND_SELECT_TARGET
Definition: parse_node.h:54
@ EXPR_KIND_RETURNING
Definition: parse_node.h:64
@ EXPR_KIND_GENERATED_COLUMN
Definition: parse_node.h:83
@ EXPR_KIND_NONE
Definition: parse_node.h:40
@ EXPR_KIND_CALL_ARGUMENT
Definition: parse_node.h:81
@ EXPR_KIND_GROUP_BY
Definition: parse_node.h:59
@ EXPR_KIND_OTHER
Definition: parse_node.h:41
@ EXPR_KIND_FROM_FUNCTION
Definition: parse_node.h:45
@ EXPR_KIND_TRIGGER_WHEN
Definition: parse_node.h:77
@ EXPR_KIND_FILTER
Definition: parse_node.h:48
@ EXPR_KIND_UPDATE_SOURCE
Definition: parse_node.h:56
@ EXPR_KIND_CHECK_CONSTRAINT
Definition: parse_node.h:68
@ EXPR_KIND_WINDOW_PARTITION
Definition: parse_node.h:49
@ EXPR_KIND_CYCLE_MARK
Definition: parse_node.h:84
@ EXPR_KIND_WINDOW_FRAME_ROWS
Definition: parse_node.h:52
@ EXPR_KIND_WINDOW_ORDER
Definition: parse_node.h:50
@ EXPR_KIND_VALUES_SINGLE
Definition: parse_node.h:67

References EXPR_KIND_ALTER_COL_TRANSFORM, EXPR_KIND_CALL_ARGUMENT, EXPR_KIND_CHECK_CONSTRAINT, EXPR_KIND_COLUMN_DEFAULT, EXPR_KIND_COPY_WHERE, EXPR_KIND_CYCLE_MARK, EXPR_KIND_DISTINCT_ON, EXPR_KIND_DOMAIN_CHECK, EXPR_KIND_EXECUTE_PARAMETER, EXPR_KIND_FILTER, EXPR_KIND_FROM_FUNCTION, EXPR_KIND_FROM_SUBSELECT, EXPR_KIND_FUNCTION_DEFAULT, EXPR_KIND_GENERATED_COLUMN, EXPR_KIND_GROUP_BY, EXPR_KIND_HAVING, EXPR_KIND_INDEX_EXPRESSION, EXPR_KIND_INDEX_PREDICATE, EXPR_KIND_INSERT_TARGET, EXPR_KIND_JOIN_ON, EXPR_KIND_JOIN_USING, EXPR_KIND_LIMIT, EXPR_KIND_MERGE_RETURNING, EXPR_KIND_MERGE_WHEN, EXPR_KIND_NONE, EXPR_KIND_OFFSET, EXPR_KIND_ORDER_BY, EXPR_KIND_OTHER, EXPR_KIND_PARTITION_BOUND, EXPR_KIND_PARTITION_EXPRESSION, EXPR_KIND_POLICY, EXPR_KIND_RETURNING, EXPR_KIND_SELECT_TARGET, EXPR_KIND_STATS_EXPRESSION, EXPR_KIND_TRIGGER_WHEN, EXPR_KIND_UPDATE_SOURCE, EXPR_KIND_UPDATE_TARGET, EXPR_KIND_VALUES, EXPR_KIND_VALUES_SINGLE, EXPR_KIND_WHERE, EXPR_KIND_WINDOW_FRAME_GROUPS, EXPR_KIND_WINDOW_FRAME_RANGE, EXPR_KIND_WINDOW_FRAME_ROWS, EXPR_KIND_WINDOW_ORDER, and EXPR_KIND_WINDOW_PARTITION.

Referenced by check_agglevels_and_constraints(), check_srf_call_placement(), checkTargetlistEntrySQL92(), findTargetlistEntrySQL92(), and transformWindowFuncCall().

◆ transformExpr()

Node * transformExpr ( ParseState pstate,
Node expr,
ParseExprKind  exprKind 
)

Definition at line 118 of file parse_expr.c.

119{
120 Node *result;
121 ParseExprKind sv_expr_kind;
122
123 /* Save and restore identity of expression type we're parsing */
124 Assert(exprKind != EXPR_KIND_NONE);
125 sv_expr_kind = pstate->p_expr_kind;
126 pstate->p_expr_kind = exprKind;
127
128 result = transformExprRecurse(pstate, expr);
129
130 pstate->p_expr_kind = sv_expr_kind;
131
132 return result;
133}
Assert(PointerIsAligned(start, uint64))
static Node * transformExprRecurse(ParseState *pstate, Node *expr)
Definition: parse_expr.c:136
ParseExprKind
Definition: parse_node.h:39
Definition: nodes.h:131
ParseExprKind p_expr_kind
Definition: parse_node.h:230

References Assert(), EXPR_KIND_NONE, ParseState::p_expr_kind, and transformExprRecurse().

Referenced by analyzeCTE(), array_subscript_transform(), cookConstraint(), cookDefault(), DoCopy(), domainAddCheckConstraint(), EvaluateParams(), ExpandIndirectionStar(), findTargetlistEntrySQL99(), hstore_subscript_transform(), interpret_function_parameter_list(), jsonb_subscript_transform(), resolve_unique_index_expr(), transformAlterTableStmt(), transformCallStmt(), transformExpressionList(), transformFrameOffset(), transformFuncCall(), transformGroupingFunc(), transformIndexStmt(), transformJoinUsingClause(), transformJsonTable(), transformJsonTableColumns(), transformLimitClause(), transformMergeStmt(), transformOnConflictArbiter(), transformPartitionBoundValue(), transformPartitionSpec(), transformPLAssignStmt(), transformRangeFunction(), transformRangeTableFunc(), transformRangeTableSample(), transformReturnStmt(), transformStatsStmt(), transformTargetEntry(), and transformWhereClause().

Variable Documentation

◆ Transform_null_equals

PGDLLIMPORT bool Transform_null_equals
extern

Definition at line 44 of file parse_expr.c.

Referenced by transformAExprOp().