/ Check-in [90d6573c]
Login
Home Timeline Branches Tags Tickets Wiki More...

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Split the logic for the ALTER TABLE command off into a separate source code file. (CVS 2342)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 90d6573c2631fac92b9e572e9e21698ae2480c9d
User & Date: drh 2005-02-15 20:47:57
Context
2005-02-15
21:36
Move the special built-in SQL functions used by ALTER TABLE out of func.c and into alter.c. (CVS 2343) check-in: dbd11a0c user: drh tags: trunk
20:47
Split the logic for the ALTER TABLE command off into a separate source code file. (CVS 2342) check-in: 90d6573c user: drh tags: trunk
16:23
Btree checks the autovacuum flag after locking the database file. (CVS 2341) check-in: 6610188f user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Makefile.in. 

108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125

126
127
128
129
130
131
132
...
256
257
258
259
260
261
262



263
264
265
266
267
268
269

###############################################################################

OPTS += -DSQLITE_OMIT_CURSOR          # Cursors do not work at this time
TCC += -DSQLITE_OMIT_CURSOR

# Object files for the SQLite library.
#
LIBOBJ = attach.lo auth.lo btree.lo build.lo date.lo \
         delete.lo expr.lo func.lo hash.lo insert.lo \
         main.lo opcodes.lo os_unix.lo os_win.lo \
         pager.lo parse.lo pragma.lo printf.lo random.lo \
         select.lo table.lo tokenize.lo trigger.lo update.lo \
         util.lo vacuum.lo vdbe.lo vdbeapi.lo vdbeaux.lo vdbemem.lo \
         where.lo utf.lo legacy.lo

# All of the source code files.
#
SRC = \

  $(TOP)/src/attach.c \
  $(TOP)/src/auth.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/date.c \
  $(TOP)/src/delete.c \
................................................................................
lemon$(BEXE):	$(TOP)/tool/lemon.c $(TOP)/tool/lempar.c
	$(BCC) -o lemon $(TOP)/tool/lemon.c
	cp $(TOP)/tool/lempar.c .


# Rules to build individual files
#



attach.lo:	$(TOP)/src/attach.c $(HDR)
	$(LTCOMPILE) -c $(TOP)/src/attach.c

auth.lo:	$(TOP)/src/auth.c $(HDR)
	$(LTCOMPILE) -c $(TOP)/src/auth.c

btree.lo:	$(TOP)/src/btree.c $(HDR) $(TOP)/src/pager.h








|










>







 







>
>
>








108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
...
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273

###############################################################################

OPTS += -DSQLITE_OMIT_CURSOR          # Cursors do not work at this time
TCC += -DSQLITE_OMIT_CURSOR

# Object files for the SQLite library.
#
LIBOBJ = alter.lo attach.lo auth.lo btree.lo build.lo date.lo \
         delete.lo expr.lo func.lo hash.lo insert.lo \
         main.lo opcodes.lo os_unix.lo os_win.lo \
         pager.lo parse.lo pragma.lo printf.lo random.lo \
         select.lo table.lo tokenize.lo trigger.lo update.lo \
         util.lo vacuum.lo vdbe.lo vdbeapi.lo vdbeaux.lo vdbemem.lo \
         where.lo utf.lo legacy.lo

# All of the source code files.
#
SRC = \
  $(TOP)/src/alter.c \
  $(TOP)/src/attach.c \
  $(TOP)/src/auth.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/date.c \
  $(TOP)/src/delete.c \
................................................................................
lemon$(BEXE):	$(TOP)/tool/lemon.c $(TOP)/tool/lempar.c
	$(BCC) -o lemon $(TOP)/tool/lemon.c
	cp $(TOP)/tool/lempar.c .


# Rules to build individual files
#
alter.lo:	$(TOP)/src/alter.c $(HDR)
	$(LTCOMPILE) -c $(TOP)/src/alter.c

attach.lo:	$(TOP)/src/attach.c $(HDR)
	$(LTCOMPILE) -c $(TOP)/src/attach.c

auth.lo:	$(TOP)/src/auth.c $(HDR)
	$(LTCOMPILE) -c $(TOP)/src/auth.c

btree.lo:	$(TOP)/src/btree.c $(HDR) $(TOP)/src/pager.h

Changes to main.mk. 

50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68

69
70
71
72
73
74
75
...
191
192
193
194
195
196
197



198
199
200
201
202
203
204


# This is how we compile
#
TCCX = $(TCC) $(OPTS) $(THREADSAFE) $(USLEEP) -I. -I$(TOP)/src

# Object files for the SQLite library.
#
LIBOBJ+= attach.o auth.o btree.o build.o date.o delete.o \
         expr.o func.o hash.o insert.o \
         main.o opcodes.o os_unix.o os_win.o \
         pager.o parse.o pragma.o printf.o random.o \
         select.o table.o tclsqlite.o tokenize.o trigger.o \
         update.o util.o vacuum.o \
         vdbe.o vdbeapi.o vdbeaux.o vdbemem.o \
         where.o utf.o legacy.o

# All of the source code files.
#
SRC = \

  $(TOP)/src/attach.c \
  $(TOP)/src/auth.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/date.c \
  $(TOP)/src/delete.c \
................................................................................
#
lemon:	$(TOP)/tool/lemon.c $(TOP)/tool/lempar.c
	$(BCC) -o lemon $(TOP)/tool/lemon.c
	cp $(TOP)/tool/lempar.c .

# Rules to build individual files
#



attach.o:	$(TOP)/src/attach.c $(HDR)
	$(TCCX) -c $(TOP)/src/attach.c

auth.o:	$(TOP)/src/auth.c $(HDR)
	$(TCCX) -c $(TOP)/src/auth.c

btree.o:	$(TOP)/src/btree.c $(HDR) $(TOP)/src/pager.h








|











>







 







>
>
>








50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
...
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208


# This is how we compile
#
TCCX = $(TCC) $(OPTS) $(THREADSAFE) $(USLEEP) -I. -I$(TOP)/src

# Object files for the SQLite library.
#
LIBOBJ+= alter.o attach.o auth.o btree.o build.o date.o delete.o \
         expr.o func.o hash.o insert.o \
         main.o opcodes.o os_unix.o os_win.o \
         pager.o parse.o pragma.o printf.o random.o \
         select.o table.o tclsqlite.o tokenize.o trigger.o \
         update.o util.o vacuum.o \
         vdbe.o vdbeapi.o vdbeaux.o vdbemem.o \
         where.o utf.o legacy.o

# All of the source code files.
#
SRC = \
  $(TOP)/src/alter.c \
  $(TOP)/src/attach.c \
  $(TOP)/src/auth.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/date.c \
  $(TOP)/src/delete.c \
................................................................................
#
lemon:	$(TOP)/tool/lemon.c $(TOP)/tool/lempar.c
	$(BCC) -o lemon $(TOP)/tool/lemon.c
	cp $(TOP)/tool/lempar.c .

# Rules to build individual files
#
alter.o:	$(TOP)/src/alter.c $(HDR)
	$(TCCX) -c $(TOP)/src/alter.c

attach.o:	$(TOP)/src/attach.c $(HDR)
	$(TCCX) -c $(TOP)/src/attach.c

auth.o:	$(TOP)/src/auth.c $(HDR)
	$(TCCX) -c $(TOP)/src/auth.c

btree.o:	$(TOP)/src/btree.c $(HDR) $(TOP)/src/pager.h

Added src/alter.c. 























































































































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186

/*
** 2005 February 15
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that used to generate VDBE code
** that implements the ALTER TABLE command.
**
** $Id: alter.c,v 1.1 2005/02/15 20:47:57 drh Exp $
*/
#include "sqliteInt.h"


#ifndef SQLITE_OMIT_ALTERTABLE
/*
** Generate code to implement the "ALTER TABLE xxx RENAME TO yyy" 
** command. 
*/
void sqlite3AlterRenameTable(
  Parse *pParse,            /* Parser context. */
  SrcList *pSrc,            /* The table to rename. */
  Token *pName              /* The new table name. */
){
  int iDb;                  /* Database that contains the table */
  char *zDb;                /* Name of database iDb */
  Table *pTab;              /* Table being renamed */
  char *zName = 0;          /* NULL-terminated version of pName */ 
  char *zWhere = 0;         /* Where clause of schema elements to reparse */
  sqlite3 *db = pParse->db; /* Database connection */
  Vdbe *v;
#ifndef SQLITE_OMIT_TRIGGER
  char *zTempTrig = 0;      /* Where clause to locate temp triggers */
#endif
  
  assert( pSrc->nSrc==1 );

  pTab = sqlite3LocateTable(pParse, pSrc->a[0].zName, pSrc->a[0].zDatabase);
  if( !pTab ) goto exit_rename_table;
  iDb = pTab->iDb;
  zDb = db->aDb[iDb].zName;

  /* Get a NULL terminated version of the new table name. */
  zName = sqlite3NameFromToken(pName);
  if( !zName ) goto exit_rename_table;

  /* Check that a table or index named 'zName' does not already exist
  ** in database iDb. If so, this is an error.
  */
  if( sqlite3FindTable(db, zName, zDb) || sqlite3FindIndex(db, zName, zDb) ){
    sqlite3ErrorMsg(pParse, 
        "there is already another table or index with this name: %s", zName);
    goto exit_rename_table;
  }

  /* Make sure it is not a system table being altered, or a reserved name
  ** that the table is being renamed to.
  */
  if( strlen(pTab->zName)>6 && 0==sqlite3StrNICmp(pTab->zName, "sqlite_", 7) ){
    sqlite3ErrorMsg(pParse, "table %s may not be altered", pTab->zName);
    goto exit_rename_table;
  }
  if( SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
    goto exit_rename_table;
  }

#ifndef SQLITE_OMIT_AUTHORIZATION
  /* Invoke the authorization callback. */
  if( sqlite3AuthCheck(pParse, SQLITE_ALTER_TABLE, zDb, pTab->zName, 0) ){
    goto exit_rename_table;
  }
#endif

  /* Begin a transaction and code the VerifyCookie for database iDb. 
  ** Then modify the schema cookie (since the ALTER TABLE modifies the
  ** schema).
  */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ){
    goto exit_rename_table;
  }
  sqlite3BeginWriteOperation(pParse, 0, iDb);
  sqlite3ChangeCookie(db, v, iDb);

  /* Modify the sqlite_master table to use the new table name. */
  sqlite3NestedParse(pParse,
      "UPDATE %Q.%s SET "
#ifdef SQLITE_OMIT_TRIGGER
          "sql = sqlite_rename_table(sql, %Q), "
#else
          "sql = CASE "
            "WHEN type = 'trigger' THEN sqlite_rename_trigger(sql, %Q)"
            "ELSE sqlite_rename_table(sql, %Q) END, "
#endif
          "tbl_name = %Q, "
          "name = CASE "
            "WHEN type='table' THEN %Q "
            "WHEN name LIKE 'sqlite_autoindex%%' AND type='index' THEN "
              "'sqlite_autoindex_' || %Q || substr(name, %d+18,10) "
            "ELSE name END "
      "WHERE tbl_name=%Q AND "
          "(type='table' OR type='index' OR type='trigger');", 
      zDb, SCHEMA_TABLE(iDb), zName, zName, zName, 
#ifndef SQLITE_OMIT_TRIGGER
zName,
#endif
      zName, strlen(pTab->zName), pTab->zName
  );

#ifndef SQLITE_OMIT_AUTOINCREMENT
  /* If the sqlite_sequence table exists in this database, then update 
  ** it with the new table name.
  */
  if( sqlite3FindTable(db, "sqlite_sequence", zDb) ){
    sqlite3NestedParse(pParse,
        "UPDATE %Q.sqlite_sequence set name = %Q WHERE name = %Q",
        zDb, zName, pTab->zName);
  }
#endif

#ifndef SQLITE_OMIT_TRIGGER
  /* If there are TEMP triggers on this table, modify the sqlite_temp_master
  ** table. Don't do this if the table being ALTERed is itself located in
  ** the temp database.
  */
  if( iDb!=1 ){
    Trigger *pTrig;
    char *tmp = 0;
    for( pTrig=pTab->pTrigger; pTrig; pTrig=pTrig->pNext ){
      if( pTrig->iDb==1 ){
        if( !zTempTrig ){
          zTempTrig = 
              sqlite3MPrintf("type = 'trigger' AND (name=%Q", pTrig->name);
        }else{
          tmp = zTempTrig;
          zTempTrig = sqlite3MPrintf("%s OR name=%Q", zTempTrig, pTrig->name);
          sqliteFree(tmp);
        }
      }
    }
    if( zTempTrig ){
      tmp = zTempTrig;
      zTempTrig = sqlite3MPrintf("%s)", zTempTrig);
      sqliteFree(tmp);
      sqlite3NestedParse(pParse, 
          "UPDATE sqlite_temp_master SET "
              "sql = sqlite_rename_trigger(sql, %Q), "
              "tbl_name = %Q "
              "WHERE %s;", zName, zName, zTempTrig);
    }
  }
#endif

  /* Drop the elements of the in-memory schema that refered to the table
  ** renamed and load the new versions from the database.
  */
  if( pParse->nErr==0 ){
#ifndef SQLITE_OMIT_TRIGGER
    Trigger *pTrig;
    for( pTrig=pTab->pTrigger; pTrig; pTrig=pTrig->pNext ){
      assert( pTrig->iDb==iDb || pTrig->iDb==1 );
      sqlite3VdbeOp3(v, OP_DropTrigger, pTrig->iDb, 0, pTrig->name, 0);
    }
#endif
    sqlite3VdbeOp3(v, OP_DropTable, iDb, 0, pTab->zName, 0);
    zWhere = sqlite3MPrintf("tbl_name=%Q", zName);
    sqlite3VdbeOp3(v, OP_ParseSchema, iDb, 0, zWhere, P3_DYNAMIC);
#ifndef SQLITE_OMIT_TRIGGER
    if( zTempTrig ){
      sqlite3VdbeOp3(v, OP_ParseSchema, 1, 0, zTempTrig, P3_DYNAMIC);
    }
  }else{
    sqliteFree(zTempTrig);
#endif
  }

exit_rename_table:
  sqlite3SrcListDelete(pSrc);
  sqliteFree(zName);
}
#endif  /* SQLITE_ALTER_TABLE */

Changes to src/build.c. 

18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
....
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173

**     CREATE INDEX
**     DROP INDEX
**     creating ID lists
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**
** $Id: build.c,v 1.310 2005/02/14 20:48:20 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Initialize the pParse structure as needed.
................................................................................
  if( pIndex ){
    sqlite3BeginWriteOperation(pParse, 0, iDb);
    sqlite3RefillIndex(pParse, pIndex, -1);
    return;
  }
  sqlite3ErrorMsg(pParse, "unable to identify the object to be reindexed");
}
#endif

#ifndef SQLITE_OMIT_ALTERTABLE
/*
** Generate code to implement the "ALTER TABLE xxx RENAME TO yyy" 
** command. 
*/
void sqlite3AlterRenameTable(
  Parse *pParse,            /* Parser context. */
  SrcList *pSrc,            /* The table to rename. */
  Token *pName              /* The new table name. */
){
  int iDb;                  /* Database that contains the table */
  char *zDb;                /* Name of database iDb */
  Table *pTab;              /* Table being renamed */
  char *zName = 0;          /* NULL-terminated version of pName */ 
  char *zWhere = 0;         /* Where clause of schema elements to reparse */
  sqlite3 *db = pParse->db; /* Database connection */
  Vdbe *v;
#ifndef SQLITE_OMIT_TRIGGER
  char *zTempTrig = 0;      /* Where clause to locate temp triggers */
#endif
  
  assert( pSrc->nSrc==1 );

  pTab = sqlite3LocateTable(pParse, pSrc->a[0].zName, pSrc->a[0].zDatabase);
  if( !pTab ) goto exit_alter_table;
  iDb = pTab->iDb;
  zDb = db->aDb[iDb].zName;

  /* Get a NULL terminated version of the new table name. */
  zName = sqlite3NameFromToken(pName);
  if( !zName ) goto exit_alter_table;

  /* Check that a table or index named 'zName' does not already exist
  ** in database iDb. If so, this is an error.
  */
  if( sqlite3FindTable(db, zName, zDb) || sqlite3FindIndex(db, zName, zDb) ){
    sqlite3ErrorMsg(pParse, 
        "there is already another table or index with this name: %s", zName);
    goto exit_alter_table;
  }

  /* Make sure it is not a system table being altered, or a reserved name
  ** that the table is being renamed to.
  */
  if( strlen(pTab->zName)>6 && 0==sqlite3StrNICmp(pTab->zName, "sqlite_", 7) ){
    sqlite3ErrorMsg(pParse, "table %s may not be altered", pTab->zName);
    goto exit_alter_table;
  }
  if( SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
    goto exit_alter_table;
  }

#ifndef SQLITE_OMIT_AUTHORIZATION
  /* Invoke the authorization callback. */
  if( sqlite3AuthCheck(pParse, SQLITE_ALTER_TABLE, zDb, pTab->zName, 0) ){
    goto exit_alter_table;
  }
#endif

  /* Begin a transaction and code the VerifyCookie for database iDb. 
  ** Then modify the schema cookie (since the ALTER TABLE modifies the
  ** schema).
  */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ){
    goto exit_alter_table;
  }
  sqlite3BeginWriteOperation(pParse, 0, iDb);
  sqlite3ChangeCookie(db, v, iDb);

  /* Modify the sqlite_master table to use the new table name. */
  sqlite3NestedParse(pParse,
      "UPDATE %Q.%s SET "
#ifdef SQLITE_OMIT_TRIGGER
          "sql = sqlite_alter_table(sql, %Q), "
#else
          "sql = CASE "
            "WHEN type = 'trigger' THEN sqlite_alter_trigger(sql, %Q)"
            "ELSE sqlite_alter_table(sql, %Q) END, "
#endif
          "tbl_name = %Q, "
          "name = CASE "
            "WHEN type='table' THEN %Q "
            "WHEN name LIKE 'sqlite_autoindex%%' AND type='index' THEN "
              "'sqlite_autoindex_' || %Q || substr(name, %d+18,10) "
            "ELSE name END "
      "WHERE tbl_name=%Q AND "
          "(type='table' OR type='index' OR type='trigger');", 
      zDb, SCHEMA_TABLE(iDb), zName, zName, zName, 
#ifndef SQLITE_OMIT_TRIGGER
zName,
#endif
      zName, strlen(pTab->zName), pTab->zName
  );

#ifndef SQLITE_OMIT_AUTOINCREMENT
  /* If the sqlite_sequence table exists in this database, then update 
  ** it with the new table name.
  */
  if( sqlite3FindTable(db, "sqlite_sequence", zDb) ){
    sqlite3NestedParse(pParse,
        "UPDATE %Q.sqlite_sequence set name = %Q WHERE name = %Q",
        zDb, zName, pTab->zName);
  }
#endif

#ifndef SQLITE_OMIT_TRIGGER
  /* If there are TEMP triggers on this table, modify the sqlite_temp_master
  ** table. Don't do this if the table being ALTERed is itself located in
  ** the temp database.
  */
  if( iDb!=1 ){
    Trigger *pTrig;
    char *tmp = 0;
    for( pTrig=pTab->pTrigger; pTrig; pTrig=pTrig->pNext ){
      if( pTrig->iDb==1 ){
        if( !zTempTrig ){
          zTempTrig = 
              sqlite3MPrintf("type = 'trigger' AND (name=%Q", pTrig->name);
        }else{
          tmp = zTempTrig;
          zTempTrig = sqlite3MPrintf("%s OR name=%Q", zTempTrig, pTrig->name);
          sqliteFree(tmp);
        }
      }
    }
    if( zTempTrig ){
      tmp = zTempTrig;
      zTempTrig = sqlite3MPrintf("%s)", zTempTrig);
      sqliteFree(tmp);
      sqlite3NestedParse(pParse, 
          "UPDATE sqlite_temp_master SET "
              "sql = sqlite_alter_trigger(sql, %Q), "
              "tbl_name = %Q "
              "WHERE %s;", zName, zName, zTempTrig);
    }
  }
#endif

  /* Drop the elements of the in-memory schema that refered to the table
  ** renamed and load the new versions from the database.
  */
  if( pParse->nErr==0 ){
#ifndef SQLITE_OMIT_TRIGGER
    Trigger *pTrig;
    for( pTrig=pTab->pTrigger; pTrig; pTrig=pTrig->pNext ){
      assert( pTrig->iDb==iDb || pTrig->iDb==1 );
      sqlite3VdbeOp3(v, OP_DropTrigger, pTrig->iDb, 0, pTrig->name, 0);
    }
#endif
    sqlite3VdbeOp3(v, OP_DropTable, iDb, 0, pTab->zName, 0);
    zWhere = sqlite3MPrintf("tbl_name=%Q", zName);
    sqlite3VdbeOp3(v, OP_ParseSchema, iDb, 0, zWhere, P3_DYNAMIC);
#ifndef SQLITE_OMIT_TRIGGER
    if( zTempTrig ){
      sqlite3VdbeOp3(v, OP_ParseSchema, 1, 0, zTempTrig, P3_DYNAMIC);
    }
  }else{
    sqliteFree(zTempTrig);
#endif
  }

exit_alter_table:
  sqlite3SrcListDelete(pSrc);
  sqliteFree(zName);
}
#endif








|







 








<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<

18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
....
2998
2999
3000
3001
3002
3003
3004
3005









































































































































































**     CREATE INDEX
**     DROP INDEX
**     creating ID lists
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**
** $Id: build.c,v 1.311 2005/02/15 20:47:57 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Initialize the pParse structure as needed.
................................................................................
  if( pIndex ){
    sqlite3BeginWriteOperation(pParse, 0, iDb);
    sqlite3RefillIndex(pParse, pIndex, -1);
    return;
  }
  sqlite3ErrorMsg(pParse, "unable to identify the object to be reindexed");
}
#endif

Changes to src/func.c. 

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
...
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
...
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
....
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135

** This file contains the C functions that implement various SQL
** functions of SQLite.  
**
** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.94 2005/02/09 01:40:25 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
#include <math.h>
#include <stdlib.h>
#include <assert.h>
#include "vdbeInt.h"
................................................................................
/*
** This function is used by SQL generated to implement the 
** ALTER TABLE command. The first argument is the text of a CREATE TABLE or
** CREATE INDEX command. The second is a table name. The table name in 
** the CREATE TABLE or CREATE INDEX statement is replaced with the second
** argument and the result returned. Examples:
**
** sqlite_alter_table('CREATE TABLE abc(a, b, c)', 'def')
**     -> 'CREATE TABLE def(a, b, c)'
**
** sqlite_alter_table('CREATE INDEX i ON abc(a)', 'def')
**     -> 'CREATE INDEX i ON def(a, b, c)'
*/
static void altertableFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  unsigned char const *zSql = sqlite3_value_text(argv[0]);
  unsigned char const *zTableName = sqlite3_value_text(argv[1]);

................................................................................

#ifndef SQLITE_OMIT_ALTERTABLE
#ifndef SQLITE_OMIT_TRIGGER
/* This function is used by SQL generated to implement the ALTER TABLE
** ALTER TABLE command. The first argument is the text of a CREATE TRIGGER 
** statement. The second is a table name. The table name in the CREATE 
** TRIGGER statement is replaced with the second argument and the result 
** returned. This is analagous to altertableFunc() above, except for CREATE
** TRIGGER, not CREATE INDEX and CREATE TABLE.
*/
static void altertriggerFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  unsigned char const *zSql = sqlite3_value_text(argv[0]);
  unsigned char const *zTableName = sqlite3_value_text(argv[1]);

................................................................................
    { "nullif",             2, 0, SQLITE_UTF8,    1, nullifFunc },
    { "sqlite_version",     0, 0, SQLITE_UTF8,    0, versionFunc},
    { "quote",              1, 0, SQLITE_UTF8,    0, quoteFunc  },
    { "last_insert_rowid",  0, 1, SQLITE_UTF8,    0, last_insert_rowid },
    { "changes",            0, 1, SQLITE_UTF8,    0, changes    },
    { "total_changes",      0, 1, SQLITE_UTF8,    0, total_changes },
#ifndef SQLITE_OMIT_ALTERTABLE
    { "sqlite_alter_table", 2, 0, SQLITE_UTF8,    0, altertableFunc},
#ifndef SQLITE_OMIT_TRIGGER
    { "sqlite_alter_trigger", 2, 0, SQLITE_UTF8,  0, altertriggerFunc},
#endif
#endif
#ifdef SQLITE_SOUNDEX
    { "soundex",            1, 0, SQLITE_UTF8, 0, soundexFunc},
#endif
#ifdef SQLITE_TEST
    { "randstr",               2, 0, SQLITE_UTF8, 0, randStr    },








|







 







|


|


|







 







|


|







 







|

|








12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
...
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
...
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
....
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135

** This file contains the C functions that implement various SQL
** functions of SQLite.  
**
** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.95 2005/02/15 20:47:57 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
#include <math.h>
#include <stdlib.h>
#include <assert.h>
#include "vdbeInt.h"
................................................................................
/*
** This function is used by SQL generated to implement the 
** ALTER TABLE command. The first argument is the text of a CREATE TABLE or
** CREATE INDEX command. The second is a table name. The table name in 
** the CREATE TABLE or CREATE INDEX statement is replaced with the second
** argument and the result returned. Examples:
**
** sqlite_rename_table('CREATE TABLE abc(a, b, c)', 'def')
**     -> 'CREATE TABLE def(a, b, c)'
**
** sqlite_rename_table('CREATE INDEX i ON abc(a)', 'def')
**     -> 'CREATE INDEX i ON def(a, b, c)'
*/
static void renameTableFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  unsigned char const *zSql = sqlite3_value_text(argv[0]);
  unsigned char const *zTableName = sqlite3_value_text(argv[1]);

................................................................................

#ifndef SQLITE_OMIT_ALTERTABLE
#ifndef SQLITE_OMIT_TRIGGER
/* This function is used by SQL generated to implement the ALTER TABLE
** ALTER TABLE command. The first argument is the text of a CREATE TRIGGER 
** statement. The second is a table name. The table name in the CREATE 
** TRIGGER statement is replaced with the second argument and the result 
** returned. This is analagous to renameTableFunc() above, except for CREATE
** TRIGGER, not CREATE INDEX and CREATE TABLE.
*/
static void renameTriggerFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  unsigned char const *zSql = sqlite3_value_text(argv[0]);
  unsigned char const *zTableName = sqlite3_value_text(argv[1]);

................................................................................
    { "nullif",             2, 0, SQLITE_UTF8,    1, nullifFunc },
    { "sqlite_version",     0, 0, SQLITE_UTF8,    0, versionFunc},
    { "quote",              1, 0, SQLITE_UTF8,    0, quoteFunc  },
    { "last_insert_rowid",  0, 1, SQLITE_UTF8,    0, last_insert_rowid },
    { "changes",            0, 1, SQLITE_UTF8,    0, changes    },
    { "total_changes",      0, 1, SQLITE_UTF8,    0, total_changes },
#ifndef SQLITE_OMIT_ALTERTABLE
    { "sqlite_rename_table",  2, 0, SQLITE_UTF8,  0, renameTableFunc},
#ifndef SQLITE_OMIT_TRIGGER
    { "sqlite_rename_trigger",2, 0, SQLITE_UTF8,  0, renameTriggerFunc},
#endif
#endif
#ifdef SQLITE_SOUNDEX
    { "soundex",            1, 0, SQLITE_UTF8, 0, soundexFunc},
#endif
#ifdef SQLITE_TEST
    { "randstr",               2, 0, SQLITE_UTF8, 0, randStr    },

This page was generated in about 0.035s by Fossil 2.11 [f4e7ca02da] 2020-01-20 20:29:43