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Support for a future ALTER TABLE command to add columns with default values. (CVS 2367)

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FossilOrigin-Name: 9d5abc1ddf6da37563c12d5a0401b89bb4e51c59
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danielk1977
2005-03-09 12:26:50 +00:00
parent 97ba4c94fc
commit aee18ef8e2
15 changed files with 326 additions and 47 deletions
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10
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.371 2005/02/15 21:36:18 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.372 2005/03/09 12:26:51 danielk1977 Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -805,6 +805,10 @@ struct Token {
** be the right operand of an IN operator. Or, if a scalar SELECT appears
** in an expression the opcode is TK_SELECT and Expr.pSelect is the only
** operand.
**
** If the Expr is of type OP_Column, and the table it is selecting from
** is a disk table or the "old.*" pseudo-table, then pTab points to the
** corresponding table definition.
*/
struct Expr {
u8 op; /* Operation performed by this node */
@@ -824,6 +828,7 @@ struct Expr {
int iAggCtx; /* The value to pass as P1 of OP_AggGet. */
Select *pSelect; /* When the expression is a sub-select. Also the
** right side of "<expr> IN (<select>)" */
Table *pTab; /* Table for OP_Column expressions. */
};
/*
@@ -1536,6 +1541,8 @@ void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*));
void sqlite3ValueFree(sqlite3_value*);
sqlite3_value *sqlite3ValueNew();
sqlite3_value *sqlite3GetTransientValue(sqlite3*db);
int sqlite3ValueFromExpr(Expr *, u8, u8, sqlite3_value **);
void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8);
extern const unsigned char sqlite3UpperToLower[];
void sqlite3RootPageMoved(Db*, int, int);
void sqlite3Reindex(Parse*, Token*, Token*);
@@ -1546,5 +1553,6 @@ void sqlite3NestedParse(Parse*, const char*, ...);
void sqlite3ExpirePreparedStatements(sqlite3*);
void sqlite3CodeSubselect(Parse *, Expr *);
int sqlite3SelectResolve(Parse *, Select *, NameContext *);
void sqlite3ColumnDefault(Vdbe *, Table *, int);
#endif