primnodes.h File Reference

#include "access/attnum.h"
#include "nodes/bitmapset.h"
#include "nodes/pg_list.h"

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Data Structures
struct	Alias
struct	RangeVar
struct	TableFunc
struct	IntoClause
struct	Expr
struct	Var
struct	Const
struct	Param
struct	Aggref
struct	GroupingFunc
struct	WindowFunc
struct	SubscriptingRef
struct	FuncExpr
struct	NamedArgExpr
struct	OpExpr
struct	ScalarArrayOpExpr
struct	BoolExpr
struct	SubLink
struct	SubPlan
struct	AlternativeSubPlan
struct	FieldSelect
struct	FieldStore
struct	RelabelType
struct	CoerceViaIO
struct	ArrayCoerceExpr
struct	ConvertRowtypeExpr
struct	CollateExpr
struct	CaseExpr
struct	CaseWhen
struct	CaseTestExpr
struct	ArrayExpr
struct	RowExpr
struct	RowCompareExpr
struct	CoalesceExpr
struct	MinMaxExpr
struct	SQLValueFunction
struct	XmlExpr
struct	NullTest
struct	BooleanTest
struct	CoerceToDomain
struct	CoerceToDomainValue
struct	SetToDefault
struct	CurrentOfExpr
struct	NextValueExpr
struct	InferenceElem
struct	TargetEntry
struct	RangeTblRef
struct	JoinExpr
struct	FromExpr
struct	OnConflictExpr

Macros
#define	INNER_VAR   65000 /* reference to inner subplan */
#define	OUTER_VAR   65001 /* reference to outer subplan */
#define	INDEX_VAR   65002 /* reference to index column */
#define	IS_SPECIAL_VARNO(varno)   ((varno) >= INNER_VAR)
#define	PRS2_OLD_VARNO   1
#define	PRS2_NEW_VARNO   2

Typedefs
typedef struct Alias	Alias
typedef enum OnCommitAction	OnCommitAction
typedef struct RangeVar	RangeVar
typedef struct TableFunc	TableFunc
typedef struct IntoClause	IntoClause
typedef struct Expr	Expr
typedef struct Var	Var
typedef struct Const	Const
typedef enum ParamKind	ParamKind
typedef struct Param	Param
typedef struct Aggref	Aggref
typedef struct GroupingFunc	GroupingFunc
typedef struct WindowFunc	WindowFunc
typedef struct SubscriptingRef	SubscriptingRef
typedef enum CoercionContext	CoercionContext
typedef enum CoercionForm	CoercionForm
typedef struct FuncExpr	FuncExpr
typedef struct NamedArgExpr	NamedArgExpr
typedef struct OpExpr	OpExpr
typedef OpExpr	DistinctExpr
typedef OpExpr	NullIfExpr
typedef struct ScalarArrayOpExpr	ScalarArrayOpExpr
typedef enum BoolExprType	BoolExprType
typedef struct BoolExpr	BoolExpr
typedef enum SubLinkType	SubLinkType
typedef struct SubLink	SubLink
typedef struct SubPlan	SubPlan
typedef struct AlternativeSubPlan	AlternativeSubPlan
typedef struct FieldSelect	FieldSelect
typedef struct FieldStore	FieldStore
typedef struct RelabelType	RelabelType
typedef struct CoerceViaIO	CoerceViaIO
typedef struct ArrayCoerceExpr	ArrayCoerceExpr
typedef struct ConvertRowtypeExpr	ConvertRowtypeExpr
typedef struct CollateExpr	CollateExpr
typedef struct CaseExpr	CaseExpr
typedef struct CaseWhen	CaseWhen
typedef struct CaseTestExpr	CaseTestExpr
typedef struct ArrayExpr	ArrayExpr
typedef struct RowExpr	RowExpr
typedef enum RowCompareType	RowCompareType
typedef struct RowCompareExpr	RowCompareExpr
typedef struct CoalesceExpr	CoalesceExpr
typedef enum MinMaxOp	MinMaxOp
typedef struct MinMaxExpr	MinMaxExpr
typedef enum SQLValueFunctionOp	SQLValueFunctionOp
typedef struct SQLValueFunction	SQLValueFunction
typedef enum XmlExprOp	XmlExprOp
typedef struct XmlExpr	XmlExpr
typedef enum NullTestType	NullTestType
typedef struct NullTest	NullTest
typedef enum BoolTestType	BoolTestType
typedef struct BooleanTest	BooleanTest
typedef struct CoerceToDomain	CoerceToDomain
typedef struct CoerceToDomainValue	CoerceToDomainValue
typedef struct SetToDefault	SetToDefault
typedef struct CurrentOfExpr	CurrentOfExpr
typedef struct NextValueExpr	NextValueExpr
typedef struct InferenceElem	InferenceElem
typedef struct TargetEntry	TargetEntry
typedef struct RangeTblRef	RangeTblRef
typedef struct JoinExpr	JoinExpr
typedef struct FromExpr	FromExpr
typedef struct OnConflictExpr	OnConflictExpr

Enumerations
enum	OnCommitAction { ONCOMMIT_NOOP, ONCOMMIT_PRESERVE_ROWS, ONCOMMIT_DELETE_ROWS, ONCOMMIT_DROP }
enum	ParamKind { PARAM_EXTERN, PARAM_EXEC, PARAM_SUBLINK, PARAM_MULTIEXPR }
enum	CoercionContext { COERCION_IMPLICIT, COERCION_ASSIGNMENT, COERCION_EXPLICIT }
enum	CoercionForm { COERCE_EXPLICIT_CALL, COERCE_EXPLICIT_CAST, COERCE_IMPLICIT_CAST }
enum	BoolExprType { AND_EXPR, OR_EXPR, NOT_EXPR }
enum	SubLinkType {   EXISTS_SUBLINK, ALL_SUBLINK, ANY_SUBLINK, ROWCOMPARE_SUBLINK,   EXPR_SUBLINK, MULTIEXPR_SUBLINK, ARRAY_SUBLINK, CTE_SUBLINK }
enum	RowCompareType {   ROWCOMPARE_LT = 1, ROWCOMPARE_LE = 2, ROWCOMPARE_EQ = 3, ROWCOMPARE_GE = 4,   ROWCOMPARE_GT = 5, ROWCOMPARE_NE = 6 }
enum	MinMaxOp { IS_GREATEST, IS_LEAST }
enum	SQLValueFunctionOp {   SVFOP_CURRENT_DATE, SVFOP_CURRENT_TIME, SVFOP_CURRENT_TIME_N, SVFOP_CURRENT_TIMESTAMP,   SVFOP_CURRENT_TIMESTAMP_N, SVFOP_LOCALTIME, SVFOP_LOCALTIME_N, SVFOP_LOCALTIMESTAMP,   SVFOP_LOCALTIMESTAMP_N, SVFOP_CURRENT_ROLE, SVFOP_CURRENT_USER, SVFOP_USER,   SVFOP_SESSION_USER, SVFOP_CURRENT_CATALOG, SVFOP_CURRENT_SCHEMA }
enum	XmlExprOp {   IS_XMLCONCAT, IS_XMLELEMENT, IS_XMLFOREST, IS_XMLPARSE,   IS_XMLPI, IS_XMLROOT, IS_XMLSERIALIZE, IS_DOCUMENT }
enum	XmlOptionType { XMLOPTION_DOCUMENT, XMLOPTION_CONTENT }
enum	NullTestType { IS_NULL, IS_NOT_NULL }
enum	BoolTestType {   IS_TRUE, IS_NOT_TRUE, IS_FALSE, IS_NOT_FALSE,   IS_UNKNOWN, IS_NOT_UNKNOWN }

Macro Definition Documentation

INDEX_VAR

#define INDEX_VAR   65002 /* reference to index column */

Definition at line 173 of file primnodes.h.

Referenced by ExecIndexBuildScanKeys(), ExecInitCustomScan(), ExecInitForeignScan(), ExecInitIndexOnlyScan(), fix_indexqual_operand(), get_name_for_var_field(), print_expr(), resolve_special_varno(), set_customscan_references(), set_foreignscan_references(), and set_indexonlyscan_references().

INNER_VAR

#define INNER_VAR   65000 /* reference to inner subplan */

Definition at line 171 of file primnodes.h.

Referenced by ExecBuildProjectionInfo(), ExecEvalWholeRowVar(), ExecInitExprRec(), ExecInitPartitionInfo(), fix_join_expr_mutator(), fix_scan_expr_mutator(), get_last_attnums_walker(), get_name_for_var_field(), print_expr(), resolve_special_varno(), and TriggerEnabled().

IS_SPECIAL_VARNO

#define IS_SPECIAL_VARNO

(

varno

)

((varno) >= INNER_VAR)

Definition at line 175 of file primnodes.h.

Referenced by add_rte_to_flat_rtable(), currtid_for_view(), deparseColumnRef(), and fix_scan_expr_mutator().

OUTER_VAR

#define OUTER_VAR   65001 /* reference to outer subplan */

Definition at line 172 of file primnodes.h.

Referenced by exec_save_simple_expr(), ExecBuildProjectionInfo(), ExecEvalWholeRowVar(), ExecInitExprRec(), ExecInitGather(), ExecInitGatherMerge(), ExecNestLoop(), find_cols_walker(), fix_join_expr_mutator(), fix_scan_expr_mutator(), get_last_attnums_walker(), get_name_for_var_field(), print_expr(), resolve_special_varno(), set_dummy_tlist_references(), set_hash_references(), set_join_references(), set_upper_references(), and TriggerEnabled().

PRS2_NEW_VARNO

#define PRS2_NEW_VARNO   2

Definition at line 179 of file primnodes.h.

Referenced by CloneRowTriggersToPartition(), CopyAndAddInvertedQual(), CreateTrigger(), DefineQueryRewrite(), getInsertSelectQuery(), rewriteRuleAction(), transformRuleStmt(), and TriggerEnabled().

PRS2_OLD_VARNO

#define PRS2_OLD_VARNO   1

Definition at line 178 of file primnodes.h.

Referenced by ApplyRetrieveRule(), CloneRowTriggersToPartition(), CopyAndAddInvertedQual(), CreateTrigger(), DefineQueryRewrite(), getInsertSelectQuery(), rewriteRuleAction(), transformRuleStmt(), and TriggerEnabled().

Typedef Documentation

Aggref

typedef struct Aggref Aggref

Alias

typedef struct Alias Alias

AlternativeSubPlan

typedef struct AlternativeSubPlan AlternativeSubPlan

ArrayCoerceExpr

typedef struct ArrayCoerceExpr ArrayCoerceExpr

ArrayExpr

typedef struct ArrayExpr ArrayExpr

BooleanTest

typedef struct BooleanTest BooleanTest

BoolExpr

typedef struct BoolExpr BoolExpr

BoolExprType

typedef enum BoolExprType BoolExprType

BoolTestType

typedef enum BoolTestType BoolTestType

CaseExpr

typedef struct CaseExpr CaseExpr

CaseTestExpr

typedef struct CaseTestExpr CaseTestExpr

CaseWhen

typedef struct CaseWhen CaseWhen

CoalesceExpr

typedef struct CoalesceExpr CoalesceExpr

CoerceToDomain

typedef struct CoerceToDomain CoerceToDomain

CoerceToDomainValue

typedef struct CoerceToDomainValue CoerceToDomainValue

CoerceViaIO

typedef struct CoerceViaIO CoerceViaIO

CoercionContext

typedef enum CoercionContext CoercionContext

CoercionForm

typedef enum CoercionForm CoercionForm

CollateExpr

typedef struct CollateExpr CollateExpr

Const

typedef struct Const Const

ConvertRowtypeExpr

typedef struct ConvertRowtypeExpr ConvertRowtypeExpr

CurrentOfExpr

typedef struct CurrentOfExpr CurrentOfExpr

DistinctExpr

typedef OpExpr DistinctExpr

Definition at line 536 of file primnodes.h.

Expr

typedef struct Expr Expr

FieldSelect

typedef struct FieldSelect FieldSelect

FieldStore

typedef struct FieldStore FieldStore

FromExpr

typedef struct FromExpr FromExpr

FuncExpr

typedef struct FuncExpr FuncExpr

GroupingFunc

typedef struct GroupingFunc GroupingFunc

InferenceElem

typedef struct InferenceElem InferenceElem

IntoClause

typedef struct IntoClause IntoClause

JoinExpr

typedef struct JoinExpr JoinExpr

MinMaxExpr

typedef struct MinMaxExpr MinMaxExpr

MinMaxOp

typedef enum MinMaxOp MinMaxOp

NamedArgExpr

typedef struct NamedArgExpr NamedArgExpr

NextValueExpr

typedef struct NextValueExpr NextValueExpr

NullIfExpr

typedef OpExpr NullIfExpr

Definition at line 544 of file primnodes.h.

NullTest

typedef struct NullTest NullTest

NullTestType

typedef enum NullTestType NullTestType

OnCommitAction

typedef enum OnCommitAction OnCommitAction

OnConflictExpr

typedef struct OnConflictExpr OnConflictExpr

OpExpr

typedef struct OpExpr OpExpr

Param

typedef struct Param Param

ParamKind

typedef enum ParamKind ParamKind

RangeTblRef

typedef struct RangeTblRef RangeTblRef

RangeVar

typedef struct RangeVar RangeVar

RelabelType

typedef struct RelabelType RelabelType

RowCompareExpr

typedef struct RowCompareExpr RowCompareExpr

RowCompareType

typedef enum RowCompareType RowCompareType

RowExpr

typedef struct RowExpr RowExpr

ScalarArrayOpExpr

typedef struct ScalarArrayOpExpr ScalarArrayOpExpr

SetToDefault

typedef struct SetToDefault SetToDefault

SQLValueFunction

typedef struct SQLValueFunction SQLValueFunction

SQLValueFunctionOp

typedef enum SQLValueFunctionOp SQLValueFunctionOp

SubLink

typedef struct SubLink SubLink

SubLinkType

typedef enum SubLinkType SubLinkType

SubPlan

typedef struct SubPlan SubPlan

SubscriptingRef

typedef struct SubscriptingRef SubscriptingRef

TableFunc

typedef struct TableFunc TableFunc

TargetEntry

typedef struct TargetEntry TargetEntry

Var

typedef struct Var Var

WindowFunc

typedef struct WindowFunc WindowFunc

XmlExpr

typedef struct XmlExpr XmlExpr

XmlExprOp

typedef enum XmlExprOp XmlExprOp

Enumeration Type Documentation

BoolExprType

enum BoolExprType

Enumerator
AND_EXPR
OR_EXPR
NOT_EXPR

Definition at line 574 of file primnodes.h.

{
    AND_EXPR, OR_EXPR, NOT_EXPR
} BoolExprType;

BoolTestType

enum BoolTestType

Enumerator
IS_TRUE
IS_NOT_TRUE
IS_FALSE
IS_NOT_FALSE
IS_UNKNOWN
IS_NOT_UNKNOWN

Definition at line 1234 of file primnodes.h.

{
    IS_TRUE, IS_NOT_TRUE, IS_FALSE, IS_NOT_FALSE, IS_UNKNOWN, IS_NOT_UNKNOWN
} BoolTestType;

CoercionContext

enum CoercionContext

Enumerator
COERCION_IMPLICIT
COERCION_ASSIGNMENT
COERCION_EXPLICIT

Definition at line 440 of file primnodes.h.

{
    COERCION_IMPLICIT,          /* coercion in context of expression */
    COERCION_ASSIGNMENT,        /* coercion in context of assignment */
    COERCION_EXPLICIT           /* explicit cast operation */
} CoercionContext;

CoercionForm

enum CoercionForm

Enumerator
COERCE_EXPLICIT_CALL
COERCE_EXPLICIT_CAST
COERCE_IMPLICIT_CAST

Definition at line 456 of file primnodes.h.

{
    COERCE_EXPLICIT_CALL,       /* display as a function call */
    COERCE_EXPLICIT_CAST,       /* display as an explicit cast */
    COERCE_IMPLICIT_CAST        /* implicit cast, so hide it */
} CoercionForm;

MinMaxOp

enum MinMaxOp

Enumerator
IS_GREATEST
IS_LEAST

Definition at line 1093 of file primnodes.h.

{
    IS_GREATEST,
    IS_LEAST
} MinMaxOp;

NullTestType

enum NullTestType

Enumerator
IS_NULL
IS_NOT_NULL

Definition at line 1211 of file primnodes.h.

{
    IS_NULL, IS_NOT_NULL
} NullTestType;

OnCommitAction

enum OnCommitAction

Enumerator
ONCOMMIT_NOOP
ONCOMMIT_PRESERVE_ROWS
ONCOMMIT_DELETE_ROWS
ONCOMMIT_DROP

Definition at line 47 of file primnodes.h.

{
    ONCOMMIT_NOOP,              /* No ON COMMIT clause (do nothing) */
    ONCOMMIT_PRESERVE_ROWS,     /* ON COMMIT PRESERVE ROWS (do nothing) */
    ONCOMMIT_DELETE_ROWS,       /* ON COMMIT DELETE ROWS */
    ONCOMMIT_DROP               /* ON COMMIT DROP */
} OnCommitAction;

ParamKind

enum ParamKind

Enumerator
PARAM_EXTERN
PARAM_EXEC
PARAM_SUBLINK
PARAM_MULTIEXPR

Definition at line 251 of file primnodes.h.

{
    PARAM_EXTERN,
    PARAM_EXEC,
    PARAM_SUBLINK,
    PARAM_MULTIEXPR
} ParamKind;

RowCompareType

enum RowCompareType

Enumerator
ROWCOMPARE_LT
ROWCOMPARE_LE
ROWCOMPARE_EQ
ROWCOMPARE_GE
ROWCOMPARE_GT
ROWCOMPARE_NE

Definition at line 1056 of file primnodes.h.

{
    /* Values of this enum are chosen to match btree strategy numbers */
    ROWCOMPARE_LT = 1,          /* BTLessStrategyNumber */
    ROWCOMPARE_LE = 2,          /* BTLessEqualStrategyNumber */
    ROWCOMPARE_EQ = 3,          /* BTEqualStrategyNumber */
    ROWCOMPARE_GE = 4,          /* BTGreaterEqualStrategyNumber */
    ROWCOMPARE_GT = 5,          /* BTGreaterStrategyNumber */
    ROWCOMPARE_NE = 6           /* no such btree strategy */
} RowCompareType;

SQLValueFunctionOp

enum SQLValueFunctionOp

Enumerator
SVFOP_CURRENT_DATE
SVFOP_CURRENT_TIME
SVFOP_CURRENT_TIME_N
SVFOP_CURRENT_TIMESTAMP
SVFOP_CURRENT_TIMESTAMP_N
SVFOP_LOCALTIME
SVFOP_LOCALTIME_N
SVFOP_LOCALTIMESTAMP
SVFOP_LOCALTIMESTAMP_N
SVFOP_CURRENT_ROLE
SVFOP_CURRENT_USER
SVFOP_USER
SVFOP_SESSION_USER
SVFOP_CURRENT_CATALOG
SVFOP_CURRENT_SCHEMA

Definition at line 1121 of file primnodes.h.

{
    SVFOP_CURRENT_DATE,
    SVFOP_CURRENT_TIME,
    SVFOP_CURRENT_TIME_N,
    SVFOP_CURRENT_TIMESTAMP,
    SVFOP_CURRENT_TIMESTAMP_N,
    SVFOP_LOCALTIME,
    SVFOP_LOCALTIME_N,
    SVFOP_LOCALTIMESTAMP,
    SVFOP_LOCALTIMESTAMP_N,
    SVFOP_CURRENT_ROLE,
    SVFOP_CURRENT_USER,
    SVFOP_USER,
    SVFOP_SESSION_USER,
    SVFOP_CURRENT_CATALOG,
    SVFOP_CURRENT_SCHEMA
} SQLValueFunctionOp;

SubLinkType

enum SubLinkType

Enumerator
EXISTS_SUBLINK
ALL_SUBLINK
ANY_SUBLINK
ROWCOMPARE_SUBLINK
EXPR_SUBLINK
MULTIEXPR_SUBLINK
ARRAY_SUBLINK
CTE_SUBLINK

Definition at line 638 of file primnodes.h.

{
    EXISTS_SUBLINK,
    ALL_SUBLINK,
    ANY_SUBLINK,
    ROWCOMPARE_SUBLINK,
    EXPR_SUBLINK,
    MULTIEXPR_SUBLINK,
    ARRAY_SUBLINK,
    CTE_SUBLINK                 /* for SubPlans only */
} SubLinkType;

XmlExprOp

enum XmlExprOp

Enumerator
IS_XMLCONCAT
IS_XMLELEMENT
IS_XMLFOREST
IS_XMLPARSE
IS_XMLPI
IS_XMLROOT
IS_XMLSERIALIZE
IS_DOCUMENT

Definition at line 1160 of file primnodes.h.

{
    IS_XMLCONCAT,               /* XMLCONCAT(args) */
    IS_XMLELEMENT,              /* XMLELEMENT(name, xml_attributes, args) */
    IS_XMLFOREST,               /* XMLFOREST(xml_attributes) */
    IS_XMLPARSE,                /* XMLPARSE(text, is_doc, preserve_ws) */
    IS_XMLPI,                   /* XMLPI(name [, args]) */
    IS_XMLROOT,                 /* XMLROOT(xml, version, standalone) */
    IS_XMLSERIALIZE,            /* XMLSERIALIZE(is_document, xmlval) */
    IS_DOCUMENT                 /* xmlval IS DOCUMENT */
} XmlExprOp;

XmlOptionType

enum XmlOptionType

Enumerator
XMLOPTION_DOCUMENT
XMLOPTION_CONTENT

Definition at line 1172 of file primnodes.h.

{
    XMLOPTION_DOCUMENT,
    XMLOPTION_CONTENT
} XmlOptionType;