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Add experimental implementations of ALTER TABLE commands to add and drop CHECK and NOT NULL constraints.

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FossilOrigin-Name: d939b25d76fe70a3255cfe38097d4489323028cd05e5512a98dce06b48eee445
This commit is contained in:
dan
2025-09-27 14:59:21 +00:00
parent 41549103ac
commit ba1ee803ee
8 changed files with 881 additions and 22 deletions
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7
src/sqliteInt.h
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@@ -4267,10 +4267,11 @@ typedef struct {
/*
** Allowed values for mInitFlags
*/
#define INITFLAG_AlterMask 0x0003 /* Types of ALTER */
#define INITFLAG_AlterMask 0x0007 /* Types of ALTER */
#define INITFLAG_AlterRename 0x0001 /* Reparse after a RENAME */
#define INITFLAG_AlterDrop 0x0002 /* Reparse after a DROP COLUMN */
#define INITFLAG_AlterAdd 0x0003 /* Reparse after an ADD COLUMN */
#define INITFLAG_AlterDropCons 0x0004 /* Reparse after an ADD COLUMN */
/* Tuning parameters are set using SQLITE_TESTCTRL_TUNE and are controlled
** on debug-builds of the CLI using ".testctrl tune ID VALUE". Tuning
@@ -5447,6 +5448,10 @@ void sqlite3Reindex(Parse*, Token*, Token*);
void sqlite3AlterFunctions(void);
void sqlite3AlterRenameTable(Parse*, SrcList*, Token*);
void sqlite3AlterRenameColumn(Parse*, SrcList*, Token*, Token*);
void sqlite3AlterDropConstraint(Parse*, SrcList*, Token*);
void sqlite3AlterDropNotNull(Parse*, SrcList*, Token*);
void sqlite3AlterAddConstraint(Parse*,SrcList*,Token*,Token*,const char*,int);
void sqlite3AlterSetNotNull(Parse*, SrcList*, Token*);
int sqlite3GetToken(const unsigned char *, int *);
void sqlite3NestedParse(Parse*, const char*, ...);
void sqlite3ExpirePreparedStatements(sqlite3*, int);