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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

bool operator_precedence_warning
 
bool Transform_null_equals
 

Function Documentation

◆ ParseExprKindName()

const char* ParseExprKindName ( ParseExprKind  exprKind)

Definition at line 3482 of file parse_expr.c.

References EXPR_KIND_ALTER_COL_TRANSFORM, EXPR_KIND_CALL_ARGUMENT, EXPR_KIND_CHECK_CONSTRAINT, EXPR_KIND_COLUMN_DEFAULT, EXPR_KIND_COPY_WHERE, 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_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_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().

3483 {
3484  switch (exprKind)
3485  {
3486  case EXPR_KIND_NONE:
3487  return "invalid expression context";
3488  case EXPR_KIND_OTHER:
3489  return "extension expression";
3490  case EXPR_KIND_JOIN_ON:
3491  return "JOIN/ON";
3492  case EXPR_KIND_JOIN_USING:
3493  return "JOIN/USING";
3495  return "sub-SELECT in FROM";
3497  return "function in FROM";
3498  case EXPR_KIND_WHERE:
3499  return "WHERE";
3500  case EXPR_KIND_POLICY:
3501  return "POLICY";
3502  case EXPR_KIND_HAVING:
3503  return "HAVING";
3504  case EXPR_KIND_FILTER:
3505  return "FILTER";
3507  return "window PARTITION BY";
3509  return "window ORDER BY";
3511  return "window RANGE";
3513  return "window ROWS";
3515  return "window GROUPS";
3517  return "SELECT";
3519  return "INSERT";
3522  return "UPDATE";
3523  case EXPR_KIND_GROUP_BY:
3524  return "GROUP BY";
3525  case EXPR_KIND_ORDER_BY:
3526  return "ORDER BY";
3527  case EXPR_KIND_DISTINCT_ON:
3528  return "DISTINCT ON";
3529  case EXPR_KIND_LIMIT:
3530  return "LIMIT";
3531  case EXPR_KIND_OFFSET:
3532  return "OFFSET";
3533  case EXPR_KIND_RETURNING:
3534  return "RETURNING";
3535  case EXPR_KIND_VALUES:
3537  return "VALUES";
3540  return "CHECK";
3543  return "DEFAULT";
3545  return "index expression";
3547  return "index predicate";
3549  return "USING";
3551  return "EXECUTE";
3553  return "WHEN";
3555  return "partition bound";
3557  return "PARTITION BY";
3559  return "CALL";
3560  case EXPR_KIND_COPY_WHERE:
3561  return "WHERE";
3563  return "GENERATED AS";
3564 
3565  /*
3566  * There is intentionally no default: case here, so that the
3567  * compiler will warn if we add a new ParseExprKind without
3568  * extending this switch. If we do see an unrecognized value at
3569  * runtime, we'll fall through to the "unrecognized" return.
3570  */
3571  }
3572  return "unrecognized expression kind";
3573 }

◆ transformExpr()

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

Definition at line 145 of file parse_expr.c.

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

Referenced by cookConstraint(), cookDefault(), DoCopy(), domainAddConstraint(), EvaluateParams(), ExpandIndirectionStar(), findTargetlistEntrySQL99(), interpret_function_parameter_list(), resolve_unique_index_expr(), transformAlterTableStmt(), transformCallStmt(), transformContainerSubscripts(), transformExpressionList(), transformFrameOffset(), transformFuncCall(), transformGroupingFunc(), transformIndexStmt(), transformJoinUsingClause(), transformLimitClause(), transformOnConflictArbiter(), transformPartitionBoundValue(), transformPartitionSpec(), transformRangeFunction(), transformRangeTableFunc(), transformRangeTableSample(), transformTargetEntry(), and transformWhereClause().

146 {
147  Node *result;
148  ParseExprKind sv_expr_kind;
149 
150  /* Save and restore identity of expression type we're parsing */
151  Assert(exprKind != EXPR_KIND_NONE);
152  sv_expr_kind = pstate->p_expr_kind;
153  pstate->p_expr_kind = exprKind;
154 
155  result = transformExprRecurse(pstate, expr);
156 
157  pstate->p_expr_kind = sv_expr_kind;
158 
159  return result;
160 }
static Node * transformExprRecurse(ParseState *pstate, Node *expr)
Definition: parse_expr.c:163
Definition: nodes.h:525
ParseExprKind
Definition: parse_node.h:33
ParseExprKind p_expr_kind
Definition: parse_node.h:191
#define Assert(condition)
Definition: c.h:732

Variable Documentation

◆ operator_precedence_warning

◆ Transform_null_equals

bool Transform_null_equals

Definition at line 44 of file parse_expr.c.

Referenced by transformAExprOp().