open-dsi
/
postgres
mirror of https://github.com/postgres/postgres
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Change Constraint structure to be a full node structure.

Browse Source 
Add new constraint types PRIMARY, UNIQUE.
REL6_4
Thomas G. Lockhart 28 years ago
parent 77356a7fc1
commit dc88e795d1
1 changed files with 70 additions and 67 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 137
      src/include/nodes/parsenodes.h

137
src/include/nodes/parsenodes.h
Unescape View File

@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: parsenodes.h,v 1.36 1997/12/04 00:28:03 scrappy Exp $
* $Id: parsenodes.h,v 1.37 1997/12/04 23:55:52 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -61,7 +61,7 @@ typedef struct Query
/* internal to planner */
List *base_relation_list_; /* base relation list */
List *join_relation_list_; /* list of relations */
} Query;
} Query;
/*****************************************************************************
@ -82,7 +82,7 @@ typedef struct AddAttrStmt
NodeTag type;
char *relname; /* the relation to add attr */
bool inh; /* add recursively to children? */
struct ColumnDef *colDef; /* the attribute definition */
Node *colDef; /* the attribute definition */
} AddAttrStmt;
/* ----------------------
@ -95,7 +95,7 @@ typedef struct ChangeACLStmt
struct AclItem *aclitem;
unsigned modechg;
List *relNames;
} ChangeACLStmt;
} ChangeACLStmt;
/* ----------------------
* Close Portal Statement
@ -105,7 +105,7 @@ typedef struct ClosePortalStmt
{
NodeTag type;
char *portalname; /* name of the portal (cursor) */
} ClosePortalStmt;
} ClosePortalStmt;
/* ----------------------
* Copy Statement
@ -120,7 +120,7 @@ typedef struct CopyStmt
int direction; /* TO or FROM */
char *filename; /* if NULL, use stdin/stdout */
char *delimiter; /* delimiter character, \t by default */
} CopyStmt;
} CopyStmt;
/* ----------------------
* Create Table Statement
@ -130,23 +130,25 @@ typedef struct CreateStmt
{
NodeTag type;
char *relname; /* the relation to create */
List *tableElts; /* column definitions list of ColumnDef */
List *tableElts; /* column definitions list of Column */
List *inhRelnames; /* relations to inherit from list of Value
* (string) */
List *constraints; /* list of constraints (ConstaintDef) */
} CreateStmt;
} CreateStmt;
typedef enum ConstrType
typedef enum ConstrType /* type of constaints */
{
CONSTR_NONE, CONSTR_CHECK /* type of constaints */
} ConstrType;
CONSTR_NONE, CONSTR_NOTNULL, CONSTR_DEFAULT, CONSTR_CHECK, CONSTR_PRIMARY, CONSTR_UNIQUE
} ConstrType;
typedef struct ConstraintDef
typedef struct Constraint
{
ConstrType type;
NodeTag type;
ConstrType contype;
char *name; /* name */
void *def; /* definition */
} ConstraintDef;
void *keys; /* list of primary keys */
} Constraint;
/* ----------------------
* Create/Drop TRIGGER Statements
@ -167,14 +169,14 @@ typedef struct CreateTrigStmt
char *text; /* AS 'text' */
List *attr; /* UPDATE OF a, b,... (NI) or NULL */
char *when; /* WHEN 'a > 10 ...' (NI) or NULL */
} CreateTrigStmt;
} CreateTrigStmt;
typedef struct DropTrigStmt
{
NodeTag type;
char *trigname; /* TRIGGER' name */
char *relname; /* triggered relation */
} DropTrigStmt;
} DropTrigStmt;
/* ----------------------
@ -188,13 +190,13 @@ typedef struct CreatePLangStmt
char *plhandler; /* PL call handler function */
char *plcompiler; /* lancompiler text */
bool pltrusted; /* PL is trusted */
} CreatePLangStmt;
} CreatePLangStmt;
typedef struct DropPLangStmt
{
NodeTag type;
char *plname; /* PL name */
} DropPLangStmt;
} DropPLangStmt;
/* ----------------------
@ -231,7 +233,7 @@ typedef struct CreateSeqStmt
NodeTag type;
char *seqname; /* the relation to create */
List *options;
} CreateSeqStmt;
} CreateSeqStmt;
/* ----------------------
* Create Version Statement
@ -244,7 +246,7 @@ typedef struct VersionStmt
int direction; /* FORWARD | BACKWARD */
char *fromRelname; /* relation to create a version */
char *date; /* date of the snapshot */
} VersionStmt;
} VersionStmt;
/* ----------------------
* Create {Operator|Type|Aggregate} Statement
@ -256,7 +258,7 @@ typedef struct DefineStmt
int defType; /* OPERATOR|P_TYPE|AGGREGATE */
char *defname;
List *definition; /* a list of DefElem */
} DefineStmt;
} DefineStmt;
/* ----------------------
* Drop Table Statement
@ -267,7 +269,7 @@ typedef struct DestroyStmt
NodeTag type;
List *relNames; /* relations to be dropped */
bool sequence;
} DestroyStmt;
} DestroyStmt;
/* ----------------------
* Extend Index Statement
@ -280,7 +282,7 @@ typedef struct ExtendStmt
Node *whereClause; /* qualifications */
List *rangetable; /* range table, filled in by
* transformStmt() */
} ExtendStmt;
} ExtendStmt;
/* ----------------------
* Begin Recipe Statement
@ -290,7 +292,7 @@ typedef struct RecipeStmt
{
NodeTag type;
char *recipeName; /* name of the recipe */
} RecipeStmt;
} RecipeStmt;
/* ----------------------
* Fetch Statement
@ -303,7 +305,7 @@ typedef struct FetchStmt
int howMany; /* amount to fetch ("ALL" --> 0) */
char *portalname; /* name of portal (cursor) */
bool ismove; /* TRUE if MOVE */
} FetchStmt;
} FetchStmt;
/* ----------------------
* Create Index Statement
@ -322,7 +324,7 @@ typedef struct IndexStmt
* transformStmt() */
bool *lossy; /* is index lossy? */
bool unique; /* is index unique? */
} IndexStmt;
} IndexStmt;
/* ----------------------
* Create Function Statement
@ -339,7 +341,7 @@ typedef struct ProcedureStmt
List *withClause; /* a list of ParamString */
char *as; /* the SQL statement or filename */
char *language; /* C or SQL */
} ProcedureStmt;
} ProcedureStmt;
/* ----------------------
* Drop Aggregate Statement
@ -350,7 +352,7 @@ typedef struct RemoveAggrStmt
NodeTag type;
char *aggname; /* aggregate to drop */
char *aggtype; /* for this type */
} RemoveAggrStmt;
} RemoveAggrStmt;
/* ----------------------
* Drop Function Statement
@ -361,7 +363,7 @@ typedef struct RemoveFuncStmt
NodeTag type;
char *funcname; /* function to drop */
List *args; /* types of the arguments */
} RemoveFuncStmt;
} RemoveFuncStmt;
/* ----------------------
* Drop Operator Statement
@ -372,7 +374,7 @@ typedef struct RemoveOperStmt
NodeTag type;
char *opname; /* operator to drop */
List *args; /* types of the arguments */
} RemoveOperStmt;
} RemoveOperStmt;
/* ----------------------
* Drop {Type|Index|Rule|View} Statement
@ -383,7 +385,7 @@ typedef struct RemoveStmt
NodeTag type;
int removeType; /* P_TYPE|INDEX|RULE|VIEW */
char *name; /* name to drop */
} RemoveStmt;
} RemoveStmt;
/* ----------------------
* Alter Table Statement
@ -398,7 +400,7 @@ typedef struct RenameStmt
* the new name. Otherwise, rename this
* column name. */
char *newname; /* the new name */
} RenameStmt;
} RenameStmt;
/* ----------------------
* Create Rule Statement
@ -413,7 +415,7 @@ typedef struct RuleStmt
struct Attr *object; /* object affected */
bool instead; /* is a 'do instead'? */
List *actions; /* the action statements */
} RuleStmt;
} RuleStmt;
/* ----------------------
* Notify Statement
@ -423,7 +425,7 @@ typedef struct NotifyStmt
{
NodeTag type;
char *relname; /* relation to notify */
} NotifyStmt;
} NotifyStmt;
/* ----------------------
* Listen Statement
@ -433,7 +435,7 @@ typedef struct ListenStmt
{
NodeTag type;
char *relname; /* relation to listen on */
} ListenStmt;
} ListenStmt;
/* ----------------------
* {Begin|Abort|End} Transaction Statement
@ -443,7 +445,7 @@ typedef struct TransactionStmt
{
NodeTag type;
int command; /* BEGIN|END|ABORT */
} TransactionStmt;
} TransactionStmt;
/* ----------------------
* Create View Statement
@ -454,7 +456,7 @@ typedef struct ViewStmt
NodeTag type;
char *viewname; /* name of the view */
Query *query; /* the SQL statement */
} ViewStmt;
} ViewStmt;
/* ----------------------
* Load Statement
@ -464,7 +466,7 @@ typedef struct LoadStmt
{
NodeTag type;
char *filename; /* file to load */
} LoadStmt;
} LoadStmt;
/* ----------------------
* Createdb Statement
@ -475,7 +477,7 @@ typedef struct CreatedbStmt
NodeTag type;
char *dbname; /* database to create */
char *dbpath; /* location of database */
} CreatedbStmt;
} CreatedbStmt;
/* ----------------------
* Destroydb Statement
@ -485,7 +487,7 @@ typedef struct DestroydbStmt
{
NodeTag type;
char *dbname; /* database to drop */
} DestroydbStmt;
} DestroydbStmt;
/* ----------------------
* Cluster Statement (support pbrown's cluster index implementation)
@ -496,7 +498,7 @@ typedef struct ClusterStmt
NodeTag type;
char *relname; /* relation being indexed */
char *indexname; /* original index defined */
} ClusterStmt;
} ClusterStmt;
/* ----------------------
* Vacuum Statement
@ -509,7 +511,7 @@ typedef struct VacuumStmt
bool analyze; /* analyze data */
char *vacrel; /* table to vacuum */
List *va_spec; /* columns to analyse */
} VacuumStmt;
} VacuumStmt;
/* ----------------------
* Explain Statement
@ -520,7 +522,7 @@ typedef struct ExplainStmt
NodeTag type;
Query *query; /* the query */
bool verbose; /* print plan info */
} ExplainStmt;
} ExplainStmt;
/* ----------------------
* Set Statement
@ -532,7 +534,7 @@ typedef struct VariableSetStmt
NodeTag type;
char *name;
char *value;
} VariableSetStmt;
} VariableSetStmt;
/* ----------------------
* Show Statement
@ -543,7 +545,7 @@ typedef struct VariableShowStmt
{
NodeTag type;
char *name;
} VariableShowStmt;
} VariableShowStmt;
/* ----------------------
* Reset Statement
@ -554,7 +556,7 @@ typedef struct VariableResetStmt
{
NodeTag type;
char *name;
} VariableResetStmt;
} VariableResetStmt;
/*****************************************************************************
@ -584,7 +586,7 @@ typedef struct DeleteStmt
NodeTag type;
char *relname; /* relation to delete from */
Node *whereClause; /* qualifications */
} DeleteStmt;
} DeleteStmt;
/* ----------------------
* Update Statement
@ -597,7 +599,7 @@ typedef struct ReplaceStmt
List *targetList; /* the target list (of ResTarget) */
Node *whereClause; /* qualifications */
List *fromClause; /* the from clause */
} ReplaceStmt;
} ReplaceStmt;
/* ----------------------
* Create Cursor Statement
@ -614,7 +616,7 @@ typedef struct CursorStmt
Node *whereClause; /* qualifications */
List *groupClause; /* group by clause */
List *sortClause; /* sort clause (a list of SortGroupBy's) */
} CursorStmt;
} CursorStmt;
/* ----------------------
* Select Statement
@ -632,7 +634,7 @@ typedef struct RetrieveStmt
Node *havingClause; /* having conditional-expression */
List *selectClause; /* subselect parameters */
List *sortClause; /* sort clause (a list of SortGroupBy's) */
} RetrieveStmt;
} RetrieveStmt;
/****************************************************************************
@ -651,7 +653,7 @@ typedef struct SubSelect
Node *whereClause; /* qualifications */
List *groupClause; /* group by clause */
Node *havingClause; /* having conditional-expression */
} SubSelect;
} SubSelect;
/*
* TypeName - specifies a type in definitions
@ -664,7 +666,7 @@ typedef struct TypeName
bool setof; /* is a set? */
List *arrayBounds; /* array bounds */
int typlen; /* length for char() and varchar() */
} TypeName;
} TypeName;
/*
* ParamNo - specifies a parameter reference
@ -674,7 +676,7 @@ typedef struct ParamNo
NodeTag type;
int number; /* the number of the parameter */
TypeName *typename; /* the typecast */
} ParamNo;
} ParamNo;
/*
* A_Expr - binary expressions
@ -725,7 +727,8 @@ typedef struct ColumnDef
TypeName *typename; /* type of column */
bool is_not_null; /* flag to NOT NULL constraint */
char *defval; /* default value of column */
} ColumnDef;
List *constraints; /* constraints on column */
} ColumnDef;
/*
* Ident -
@ -741,7 +744,7 @@ typedef struct Ident
List *indirection; /* array references */
bool isRel; /* is a relation - filled in by
* transformExpr() */
} Ident;
} Ident;
/*
* FuncCall - a function/aggregate invocation
@ -751,7 +754,7 @@ typedef struct FuncCall
NodeTag type;
char *funcname; /* name of function */
List *args; /* the arguments (list of exprs) */
} FuncCall;
} FuncCall;
/*
* A_Indices - array reference or bounds ([lidx:uidx] or [uidx])
@ -774,7 +777,7 @@ typedef struct ResTarget
List *indirection; /* array references */
Node *val; /* the value of the result (A_Expr or
* Attr) (or A_Const) */
} ResTarget;
} ResTarget;
/*
* ParamString - used in with clauses
@ -784,7 +787,7 @@ typedef struct ParamString
NodeTag type;
char *name;
char *val;
} ParamString;
} ParamString;
/*
* RelExpr - relation expressions
@ -794,7 +797,7 @@ typedef struct RelExpr
NodeTag type;
char *relname; /* the relation name */
bool inh; /* inheritance query */
} RelExpr;
} RelExpr;
/*
* SortGroupBy - for order by clause
@ -806,7 +809,7 @@ typedef struct SortGroupBy
char *range;
char *name; /* name of column to sort on */
char *useOp; /* operator to use */
} SortGroupBy;
} SortGroupBy;
/*
* RangeVar - range variable, used in from clauses
@ -816,7 +819,7 @@ typedef struct RangeVar
NodeTag type;
RelExpr *relExpr; /* the relation expression */
char *name; /* the name to be referenced (optional) */
} RangeVar;
} RangeVar;
/*
* IndexElem - index parameters (used in create index)
@ -828,7 +831,7 @@ typedef struct IndexElem
List *args; /* if not NULL, function index */
char *class;
TypeName *tname; /* type of index's keys (optional) */
} IndexElem;
} IndexElem;
/*
* DefElem -
@ -839,7 +842,7 @@ typedef struct DefElem
NodeTag type;
char *defname;
Node *arg; /* a (Value *) or a (TypeName *) */
} DefElem;
} DefElem;
/****************************************************************************
@ -859,7 +862,7 @@ typedef struct TargetEntry
Resdom *resdom; /* fjoin overload this to be a list?? */
Fjoin *fjoin;
Node *expr; /* can be a list too */
} TargetEntry;
} TargetEntry;
/*
* RangeTblEntry -
@ -882,7 +885,7 @@ typedef struct RangeTblEntry
Oid relid;
bool inh; /* inheritance? */
bool inFromCl; /* comes from From Clause */
} RangeTblEntry;
} RangeTblEntry;
/*
* SortClause -
@ -893,7 +896,7 @@ typedef struct SortClause
NodeTag type;
Resdom *resdom; /* attributes in tlist to be sorted */
Oid opoid; /* sort operators */
} SortClause;
} SortClause;
/*
* GroupClause -
@ -904,6 +907,6 @@ typedef struct GroupClause
NodeTag type;
TargetEntry *entry; /* attributes to group on */
Oid grpOpoid; /* the sort operator to use */
} GroupClause;
} GroupClause;
#endif /* PARSENODES_H */

Write Preview
Loading…
Cancel
Save