Change Constraint structure to be a full node structure.
Add new constraint types PRIMARY, UNIQUE.
This commit is contained in:
Thomas G. Lockhart
parent
77356a7fc1
commit
dc88e795d1
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: parsenodes.h,v 1.36 1997/12/04 00:28:03 scrappy Exp $
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* $Id: parsenodes.h,v 1.37 1997/12/04 23:55:52 thomas Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -61,7 +61,7 @@ typedef struct Query
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/* internal to planner */
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List *base_relation_list_; /* base relation list */
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List *join_relation_list_; /* list of relations */
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} Query;
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} Query;
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/*****************************************************************************
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@ -82,7 +82,7 @@ typedef struct AddAttrStmt
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NodeTag type;
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char *relname; /* the relation to add attr */
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bool inh; /* add recursively to children? */
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struct ColumnDef *colDef; /* the attribute definition */
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Node *colDef; /* the attribute definition */
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} AddAttrStmt;
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/* ----------------------
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@ -95,7 +95,7 @@ typedef struct ChangeACLStmt
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struct AclItem *aclitem;
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unsigned modechg;
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List *relNames;
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} ChangeACLStmt;
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} ChangeACLStmt;
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/* ----------------------
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* Close Portal Statement
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@ -105,7 +105,7 @@ typedef struct ClosePortalStmt
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{
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NodeTag type;
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char *portalname; /* name of the portal (cursor) */
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} ClosePortalStmt;
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} ClosePortalStmt;
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/* ----------------------
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* Copy Statement
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@ -120,7 +120,7 @@ typedef struct CopyStmt
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int direction; /* TO or FROM */
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char *filename; /* if NULL, use stdin/stdout */
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char *delimiter; /* delimiter character, \t by default */
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} CopyStmt;
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} CopyStmt;
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/* ----------------------
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* Create Table Statement
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@ -130,23 +130,25 @@ typedef struct CreateStmt
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{
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NodeTag type;
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char *relname; /* the relation to create */
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List *tableElts; /* column definitions list of ColumnDef */
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List *tableElts; /* column definitions list of Column */
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List *inhRelnames; /* relations to inherit from list of Value
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* (string) */
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List *constraints; /* list of constraints (ConstaintDef) */
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} CreateStmt;
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} CreateStmt;
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typedef enum ConstrType
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typedef enum ConstrType /* type of constaints */
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{
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CONSTR_NONE, CONSTR_CHECK /* type of constaints */
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} ConstrType;
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CONSTR_NONE, CONSTR_NOTNULL, CONSTR_DEFAULT, CONSTR_CHECK, CONSTR_PRIMARY, CONSTR_UNIQUE
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} ConstrType;
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typedef struct ConstraintDef
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typedef struct Constraint
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{
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ConstrType type;
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NodeTag type;
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ConstrType contype;
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char *name; /* name */
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void *def; /* definition */
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} ConstraintDef;
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void *keys; /* list of primary keys */
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} Constraint;
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/* ----------------------
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* Create/Drop TRIGGER Statements
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@ -167,14 +169,14 @@ typedef struct CreateTrigStmt
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char *text; /* AS 'text' */
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List *attr; /* UPDATE OF a, b,... (NI) or NULL */
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char *when; /* WHEN 'a > 10 ...' (NI) or NULL */
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} CreateTrigStmt;
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} CreateTrigStmt;
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typedef struct DropTrigStmt
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{
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NodeTag type;
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char *trigname; /* TRIGGER' name */
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char *relname; /* triggered relation */
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} DropTrigStmt;
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} DropTrigStmt;
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/* ----------------------
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@ -188,13 +190,13 @@ typedef struct CreatePLangStmt
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char *plhandler; /* PL call handler function */
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char *plcompiler; /* lancompiler text */
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bool pltrusted; /* PL is trusted */
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} CreatePLangStmt;
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} CreatePLangStmt;
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typedef struct DropPLangStmt
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{
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NodeTag type;
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char *plname; /* PL name */
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} DropPLangStmt;
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} DropPLangStmt;
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/* ----------------------
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@ -231,7 +233,7 @@ typedef struct CreateSeqStmt
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NodeTag type;
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char *seqname; /* the relation to create */
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List *options;
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} CreateSeqStmt;
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} CreateSeqStmt;
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/* ----------------------
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* Create Version Statement
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@ -244,7 +246,7 @@ typedef struct VersionStmt
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int direction; /* FORWARD | BACKWARD */
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char *fromRelname; /* relation to create a version */
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char *date; /* date of the snapshot */
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} VersionStmt;
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} VersionStmt;
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/* ----------------------
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* Create {Operator|Type|Aggregate} Statement
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@ -256,7 +258,7 @@ typedef struct DefineStmt
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int defType; /* OPERATOR|P_TYPE|AGGREGATE */
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char *defname;
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List *definition; /* a list of DefElem */
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} DefineStmt;
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} DefineStmt;
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/* ----------------------
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* Drop Table Statement
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@ -267,7 +269,7 @@ typedef struct DestroyStmt
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NodeTag type;
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List *relNames; /* relations to be dropped */
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bool sequence;
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} DestroyStmt;
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} DestroyStmt;
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/* ----------------------
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* Extend Index Statement
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@ -280,7 +282,7 @@ typedef struct ExtendStmt
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Node *whereClause; /* qualifications */
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List *rangetable; /* range table, filled in by
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* transformStmt() */
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} ExtendStmt;
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} ExtendStmt;
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/* ----------------------
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* Begin Recipe Statement
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@ -290,7 +292,7 @@ typedef struct RecipeStmt
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{
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NodeTag type;
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char *recipeName; /* name of the recipe */
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} RecipeStmt;
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} RecipeStmt;
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/* ----------------------
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* Fetch Statement
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@ -303,7 +305,7 @@ typedef struct FetchStmt
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int howMany; /* amount to fetch ("ALL" --> 0) */
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char *portalname; /* name of portal (cursor) */
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bool ismove; /* TRUE if MOVE */
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} FetchStmt;
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} FetchStmt;
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/* ----------------------
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* Create Index Statement
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@ -322,7 +324,7 @@ typedef struct IndexStmt
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* transformStmt() */
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bool *lossy; /* is index lossy? */
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bool unique; /* is index unique? */
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} IndexStmt;
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} IndexStmt;
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/* ----------------------
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* Create Function Statement
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@ -339,7 +341,7 @@ typedef struct ProcedureStmt
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List *withClause; /* a list of ParamString */
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char *as; /* the SQL statement or filename */
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char *language; /* C or SQL */
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} ProcedureStmt;
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} ProcedureStmt;
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/* ----------------------
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* Drop Aggregate Statement
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@ -350,7 +352,7 @@ typedef struct RemoveAggrStmt
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NodeTag type;
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char *aggname; /* aggregate to drop */
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char *aggtype; /* for this type */
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} RemoveAggrStmt;
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} RemoveAggrStmt;
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/* ----------------------
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* Drop Function Statement
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@ -361,7 +363,7 @@ typedef struct RemoveFuncStmt
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NodeTag type;
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char *funcname; /* function to drop */
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List *args; /* types of the arguments */
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} RemoveFuncStmt;
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} RemoveFuncStmt;
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/* ----------------------
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* Drop Operator Statement
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@ -372,7 +374,7 @@ typedef struct RemoveOperStmt
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NodeTag type;
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char *opname; /* operator to drop */
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List *args; /* types of the arguments */
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} RemoveOperStmt;
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} RemoveOperStmt;
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/* ----------------------
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* Drop {Type|Index|Rule|View} Statement
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@ -383,7 +385,7 @@ typedef struct RemoveStmt
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NodeTag type;
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int removeType; /* P_TYPE|INDEX|RULE|VIEW */
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char *name; /* name to drop */
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} RemoveStmt;
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} RemoveStmt;
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/* ----------------------
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* Alter Table Statement
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@ -398,7 +400,7 @@ typedef struct RenameStmt
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* the new name. Otherwise, rename this
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* column name. */
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char *newname; /* the new name */
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} RenameStmt;
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} RenameStmt;
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/* ----------------------
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* Create Rule Statement
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@ -413,7 +415,7 @@ typedef struct RuleStmt
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struct Attr *object; /* object affected */
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bool instead; /* is a 'do instead'? */
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List *actions; /* the action statements */
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} RuleStmt;
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} RuleStmt;
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/* ----------------------
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* Notify Statement
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@ -423,7 +425,7 @@ typedef struct NotifyStmt
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{
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NodeTag type;
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char *relname; /* relation to notify */
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} NotifyStmt;
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} NotifyStmt;
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/* ----------------------
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* Listen Statement
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@ -433,7 +435,7 @@ typedef struct ListenStmt
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{
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NodeTag type;
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char *relname; /* relation to listen on */
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} ListenStmt;
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} ListenStmt;
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/* ----------------------
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* {Begin|Abort|End} Transaction Statement
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@ -443,7 +445,7 @@ typedef struct TransactionStmt
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{
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NodeTag type;
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int command; /* BEGIN|END|ABORT */
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} TransactionStmt;
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} TransactionStmt;
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/* ----------------------
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* Create View Statement
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@ -454,7 +456,7 @@ typedef struct ViewStmt
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NodeTag type;
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char *viewname; /* name of the view */
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Query *query; /* the SQL statement */
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} ViewStmt;
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} ViewStmt;
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/* ----------------------
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* Load Statement
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@ -464,7 +466,7 @@ typedef struct LoadStmt
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{
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NodeTag type;
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char *filename; /* file to load */
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} LoadStmt;
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} LoadStmt;
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/* ----------------------
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* Createdb Statement
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@ -475,7 +477,7 @@ typedef struct CreatedbStmt
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NodeTag type;
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char *dbname; /* database to create */
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char *dbpath; /* location of database */
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} CreatedbStmt;
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} CreatedbStmt;
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/* ----------------------
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* Destroydb Statement
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@ -485,7 +487,7 @@ typedef struct DestroydbStmt
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{
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NodeTag type;
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char *dbname; /* database to drop */
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} DestroydbStmt;
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} DestroydbStmt;
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/* ----------------------
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* Cluster Statement (support pbrown's cluster index implementation)
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@ -496,7 +498,7 @@ typedef struct ClusterStmt
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NodeTag type;
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char *relname; /* relation being indexed */
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char *indexname; /* original index defined */
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} ClusterStmt;
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} ClusterStmt;
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/* ----------------------
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* Vacuum Statement
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@ -509,7 +511,7 @@ typedef struct VacuumStmt
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bool analyze; /* analyze data */
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char *vacrel; /* table to vacuum */
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List *va_spec; /* columns to analyse */
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} VacuumStmt;
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} VacuumStmt;
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/* ----------------------
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* Explain Statement
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@ -520,7 +522,7 @@ typedef struct ExplainStmt
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NodeTag type;
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Query *query; /* the query */
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bool verbose; /* print plan info */
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} ExplainStmt;
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} ExplainStmt;
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/* ----------------------
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* Set Statement
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@ -532,7 +534,7 @@ typedef struct VariableSetStmt
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NodeTag type;
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char *name;
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char *value;
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} VariableSetStmt;
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} VariableSetStmt;
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/* ----------------------
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* Show Statement
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@ -543,7 +545,7 @@ typedef struct VariableShowStmt
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{
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NodeTag type;
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char *name;
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} VariableShowStmt;
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} VariableShowStmt;
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/* ----------------------
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* Reset Statement
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@ -554,7 +556,7 @@ typedef struct VariableResetStmt
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{
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NodeTag type;
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char *name;
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} VariableResetStmt;
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} VariableResetStmt;
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/*****************************************************************************
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@ -584,7 +586,7 @@ typedef struct DeleteStmt
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NodeTag type;
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char *relname; /* relation to delete from */
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Node *whereClause; /* qualifications */
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} DeleteStmt;
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} DeleteStmt;
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/* ----------------------
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* Update Statement
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@ -597,7 +599,7 @@ typedef struct ReplaceStmt
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List *targetList; /* the target list (of ResTarget) */
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Node *whereClause; /* qualifications */
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List *fromClause; /* the from clause */
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} ReplaceStmt;
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} ReplaceStmt;
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/* ----------------------
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* Create Cursor Statement
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@ -614,7 +616,7 @@ typedef struct CursorStmt
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Node *whereClause; /* qualifications */
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List *groupClause; /* group by clause */
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List *sortClause; /* sort clause (a list of SortGroupBy's) */
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} CursorStmt;
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} CursorStmt;
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/* ----------------------
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* Select Statement
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@ -632,7 +634,7 @@ typedef struct RetrieveStmt
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Node *havingClause; /* having conditional-expression */
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List *selectClause; /* subselect parameters */
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List *sortClause; /* sort clause (a list of SortGroupBy's) */
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} RetrieveStmt;
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} RetrieveStmt;
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/****************************************************************************
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@ -651,7 +653,7 @@ typedef struct SubSelect
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Node *whereClause; /* qualifications */
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List *groupClause; /* group by clause */
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Node *havingClause; /* having conditional-expression */
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} SubSelect;
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} SubSelect;
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/*
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* TypeName - specifies a type in definitions
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@ -664,7 +666,7 @@ typedef struct TypeName
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bool setof; /* is a set? */
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List *arrayBounds; /* array bounds */
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int typlen; /* length for char() and varchar() */
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} TypeName;
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} TypeName;
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/*
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* ParamNo - specifies a parameter reference
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@ -674,7 +676,7 @@ typedef struct ParamNo
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NodeTag type;
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int number; /* the number of the parameter */
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TypeName *typename; /* the typecast */
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} ParamNo;
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} ParamNo;
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/*
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* A_Expr - binary expressions
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@ -725,7 +727,8 @@ typedef struct ColumnDef
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TypeName *typename; /* type of column */
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bool is_not_null; /* flag to NOT NULL constraint */
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char *defval; /* default value of column */
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} ColumnDef;
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List *constraints; /* constraints on column */
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} ColumnDef;
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/*
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* Ident -
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@ -741,7 +744,7 @@ typedef struct Ident
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List *indirection; /* array references */
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bool isRel; /* is a relation - filled in by
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* transformExpr() */
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} Ident;
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} Ident;
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/*
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* FuncCall - a function/aggregate invocation
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@ -751,7 +754,7 @@ typedef struct FuncCall
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NodeTag type;
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char *funcname; /* name of function */
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List *args; /* the arguments (list of exprs) */
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} FuncCall;
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} FuncCall;
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/*
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* A_Indices - array reference or bounds ([lidx:uidx] or [uidx])
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@ -774,7 +777,7 @@ typedef struct ResTarget
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List *indirection; /* array references */
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Node *val; /* the value of the result (A_Expr or
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* Attr) (or A_Const) */
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} ResTarget;
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} ResTarget;
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/*
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* ParamString - used in with clauses
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@ -784,7 +787,7 @@ typedef struct ParamString
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NodeTag type;
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char *name;
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char *val;
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} ParamString;
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} ParamString;
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/*
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* RelExpr - relation expressions
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@ -794,7 +797,7 @@ typedef struct RelExpr
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NodeTag type;
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char *relname; /* the relation name */
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bool inh; /* inheritance query */
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} RelExpr;
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} RelExpr;
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/*
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* SortGroupBy - for order by clause
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@ -806,7 +809,7 @@ typedef struct SortGroupBy
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char *range;
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char *name; /* name of column to sort on */
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char *useOp; /* operator to use */
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} SortGroupBy;
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} SortGroupBy;
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/*
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* RangeVar - range variable, used in from clauses
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@ -816,7 +819,7 @@ typedef struct RangeVar
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NodeTag type;
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RelExpr *relExpr; /* the relation expression */
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char *name; /* the name to be referenced (optional) */
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} 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 */
|
||||
|
|
|
|||
Loading…
Reference in New Issue