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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 3070 of file parse_expr.c.

3071 {
3072  switch (exprKind)
3073  {
3074  case EXPR_KIND_NONE:
3075  return "invalid expression context";
3076  case EXPR_KIND_OTHER:
3077  return "extension expression";
3078  case EXPR_KIND_JOIN_ON:
3079  return "JOIN/ON";
3080  case EXPR_KIND_JOIN_USING:
3081  return "JOIN/USING";
3083  return "sub-SELECT in FROM";
3085  return "function in FROM";
3086  case EXPR_KIND_WHERE:
3087  return "WHERE";
3088  case EXPR_KIND_POLICY:
3089  return "POLICY";
3090  case EXPR_KIND_HAVING:
3091  return "HAVING";
3092  case EXPR_KIND_FILTER:
3093  return "FILTER";
3095  return "window PARTITION BY";
3097  return "window ORDER BY";
3099  return "window RANGE";
3101  return "window ROWS";
3103  return "window GROUPS";
3105  return "SELECT";
3107  return "INSERT";
3110  return "UPDATE";
3111  case EXPR_KIND_MERGE_WHEN:
3112  return "MERGE WHEN";
3113  case EXPR_KIND_GROUP_BY:
3114  return "GROUP BY";
3115  case EXPR_KIND_ORDER_BY:
3116  return "ORDER BY";
3117  case EXPR_KIND_DISTINCT_ON:
3118  return "DISTINCT ON";
3119  case EXPR_KIND_LIMIT:
3120  return "LIMIT";
3121  case EXPR_KIND_OFFSET:
3122  return "OFFSET";
3123  case EXPR_KIND_RETURNING:
3124  return "RETURNING";
3125  case EXPR_KIND_VALUES:
3127  return "VALUES";
3130  return "CHECK";
3133  return "DEFAULT";
3135  return "index expression";
3137  return "index predicate";
3139  return "statistics expression";
3141  return "USING";
3143  return "EXECUTE";
3145  return "WHEN";
3147  return "partition bound";
3149  return "PARTITION BY";
3151  return "CALL";
3152  case EXPR_KIND_COPY_WHERE:
3153  return "WHERE";
3155  return "GENERATED AS";
3156  case EXPR_KIND_CYCLE_MARK:
3157  return "CYCLE";
3158 
3159  /*
3160  * There is intentionally no default: case here, so that the
3161  * compiler will warn if we add a new ParseExprKind without
3162  * extending this switch. If we do see an unrecognized value at
3163  * runtime, we'll fall through to the "unrecognized" return.
3164  */
3165  }
3166  return "unrecognized expression kind";
3167 }
@ EXPR_KIND_EXECUTE_PARAMETER
Definition: parse_node.h:75
@ EXPR_KIND_DOMAIN_CHECK
Definition: parse_node.h:68
@ EXPR_KIND_COPY_WHERE
Definition: parse_node.h:81
@ EXPR_KIND_COLUMN_DEFAULT
Definition: parse_node.h:69
@ 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:73
@ EXPR_KIND_INDEX_EXPRESSION
Definition: parse_node.h:71
@ EXPR_KIND_PARTITION_BOUND
Definition: parse_node.h:78
@ EXPR_KIND_FUNCTION_DEFAULT
Definition: parse_node.h:70
@ EXPR_KIND_WINDOW_FRAME_RANGE
Definition: parse_node.h:51
@ EXPR_KIND_VALUES
Definition: parse_node.h:65
@ EXPR_KIND_FROM_SUBSELECT
Definition: parse_node.h:44
@ EXPR_KIND_POLICY
Definition: parse_node.h:77
@ EXPR_KIND_WINDOW_FRAME_GROUPS
Definition: parse_node.h:53
@ EXPR_KIND_PARTITION_EXPRESSION
Definition: parse_node.h:79
@ EXPR_KIND_JOIN_USING
Definition: parse_node.h:43
@ EXPR_KIND_INDEX_PREDICATE
Definition: parse_node.h:72
@ 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:74
@ 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:82
@ EXPR_KIND_NONE
Definition: parse_node.h:40
@ EXPR_KIND_CALL_ARGUMENT
Definition: parse_node.h:80
@ 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:76
@ 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:67
@ EXPR_KIND_WINDOW_PARTITION
Definition: parse_node.h:49
@ EXPR_KIND_CYCLE_MARK
Definition: parse_node.h:83
@ 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:66

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_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 112 of file parse_expr.c.

113 {
114  Node *result;
115  ParseExprKind sv_expr_kind;
116 
117  /* Save and restore identity of expression type we're parsing */
118  Assert(exprKind != EXPR_KIND_NONE);
119  sv_expr_kind = pstate->p_expr_kind;
120  pstate->p_expr_kind = exprKind;
121 
122  result = transformExprRecurse(pstate, expr);
123 
124  pstate->p_expr_kind = sv_expr_kind;
125 
126  return result;
127 }
Assert(fmt[strlen(fmt) - 1] !='\n')
static Node * transformExprRecurse(ParseState *pstate, Node *expr)
Definition: parse_expr.c:130
ParseExprKind
Definition: parse_node.h:39
Definition: nodes.h:575
ParseExprKind p_expr_kind
Definition: parse_node.h:197

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

Referenced by analyzeCTE(), appendJsonTableColumns(), array_subscript_transform(), cookConstraint(), cookDefault(), DoCopy(), domainAddConstraint(), 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(), 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 45 of file parse_expr.c.

Referenced by transformAExprOp().