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Overview
Comment:Add the "index_xinfo" pragma. Add new columns to the "index_info" and "index_list" pragmas.
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SHA1:30f51d7b3b292191e8351223242e708bb7f3dfa6
User & Date: drh 2015-01-31 02:00:01
Context
2015-02-04
23:13
Merge all recent trunk changes, including the movement of the pragma table into the separate pragma.h header file. Closed-Leaf check-in: 3af19f84 user: drh tags: index_xinfo
2015-01-31
02:34
Merge in support for the index_xinfo pragma. check-in: f9b6dc77 user: drh tags: ota-update
02:00
Add the "index_xinfo" pragma. Add new columns to the "index_info" and "index_list" pragmas. check-in: 30f51d7b user: drh tags: index_xinfo
2015-01-30
20:59
Change SQLITE_TESTCTRL_INITMODE to SQLITE_TESTCTRL_IMPOSTER. Revise the order of parameters. Give it the ability to reset the schema parse table so that imposter tables can be erased. check-in: 42d56017 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/pragma.c.

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    /* ePragTyp:  */ PragTyp_INDEX_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "index_list",
    /* ePragTyp:  */ PragTyp_INDEX_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },




#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "integrity_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
................................................................................
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "writable_schema",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
#endif
};
/* Number of pragmas: 58 on by default, 71 total. */
/* End of the automatically generated pragma table.
***************************************************************************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL.  Return 1 for an empty or 
** unrecognized string argument.  The FULL option is disallowed
................................................................................
  char *aFcntl[4];       /* Argument to SQLITE_FCNTL_PRAGMA */
  int iDb;               /* Database index for <database> */
  int lwr, upr, mid = 0;       /* Binary search bounds */
  int rc;                      /* return value form SQLITE_FCNTL_PRAGMA */
  sqlite3 *db = pParse->db;    /* The database connection */
  Db *pDb;                     /* The specific database being pragmaed */
  Vdbe *v = sqlite3GetVdbe(pParse);  /* Prepared statement */


  if( v==0 ) return;
  sqlite3VdbeRunOnlyOnce(v);
  pParse->nMem = 2;

  /* Interpret the [database.] part of the pragma statement. iDb is the
  ** index of the database this pragma is being applied to in db.aDb[]. */
................................................................................
    if( rc<0 ){
      upr = mid - 1;
    }else{
      lwr = mid + 1;
    }
  }
  if( lwr>upr ) goto pragma_out;


  /* Make sure the database schema is loaded if the pragma requires that */
  if( (aPragmaNames[mid].mPragFlag & PragFlag_NeedSchema)!=0 ){
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
  }

  /* Jump to the appropriate pragma handler */
  switch( aPragmaNames[mid].ePragTyp ){
  
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  /*
  **  PRAGMA [database.]default_cache_size
  **  PRAGMA [database.]default_cache_size=N
  **
  ** The first form reports the current persistent setting for the
................................................................................
    break;
  }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */

#ifndef SQLITE_OMIT_FLAG_PRAGMAS
  case PragTyp_FLAG: {
    if( zRight==0 ){
      returnSingleInt(pParse, aPragmaNames[mid].zName,
                     (db->flags & aPragmaNames[mid].iArg)!=0 );
    }else{
      int mask = aPragmaNames[mid].iArg;    /* Mask of bits to set or clear. */
      if( db->autoCommit==0 ){
        /* Foreign key support may not be enabled or disabled while not
        ** in auto-commit mode.  */
        mask &= ~(SQLITE_ForeignKeys);
      }
#if SQLITE_USER_AUTHENTICATION
      if( db->auth.authLevel==UAUTH_User ){
................................................................................

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;

      pTab = pIdx->pTable;
      sqlite3VdbeSetNumCols(v, 3);
      pParse->nMem = 3;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seqno", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "cid", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "name", SQLITE_STATIC);



      for(i=0; i<pIdx->nKeyCol; i++){
        i16 cnum = pIdx->aiColumn[i];
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp2(v, OP_Integer, cnum, 2);
        assert( pTab->nCol>cnum );


        sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, pTab->aCol[cnum].zName, 0);




        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
      }
    }
  }
  break;

  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;
    int i;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      sqlite3VdbeSetNumCols(v, 3);
      pParse->nMem = 3;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);


      for(pIdx=pTab->pIndex, i=0; pIdx; pIdx=pIdx->pNext, i++){

        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
        sqlite3VdbeAddOp2(v, OP_Integer, IsUniqueIndex(pIdx), 3);


        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;
................................................................................
  ** the schema-version is potentially dangerous and may lead to program
  ** crashes or database corruption. Use with caution!
  **
  ** The user-version is not used internally by SQLite. It may be used by
  ** applications for any purpose.
  */
  case PragTyp_HEADER_VALUE: {
    int iCookie = aPragmaNames[mid].iArg;  /* Which cookie to read or write */
    sqlite3VdbeUsesBtree(v, iDb);
    if( zRight && (aPragmaNames[mid].mPragFlag & PragFlag_ReadOnly)==0 ){
      /* Write the specified cookie value */
      static const VdbeOpList setCookie[] = {
        { OP_Transaction,    0,  1,  0},    /* 0 */
        { OP_Integer,        0,  1,  0},    /* 1 */
        { OP_SetCookie,      0,  0,  1},    /* 2 */
      };
      int addr = sqlite3VdbeAddOpList(v, ArraySize(setCookie), setCookie, 0);
................................................................................
  **
  ** Call sqlite3_busy_timeout(db, N).  Return the current timeout value
  ** if one is set.  If no busy handler or a different busy handler is set
  ** then 0 is returned.  Setting the busy_timeout to 0 or negative
  ** disables the timeout.
  */
  /*case PragTyp_BUSY_TIMEOUT*/ default: {
    assert( aPragmaNames[mid].ePragTyp==PragTyp_BUSY_TIMEOUT );
    if( zRight ){
      sqlite3_busy_timeout(db, sqlite3Atoi(zRight));
    }
    returnSingleInt(pParse, "timeout",  db->busyTimeout);
    break;
  }








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    /* ePragTyp:  */ PragTyp_INDEX_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "index_list",
    /* ePragTyp:  */ PragTyp_INDEX_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "index_xinfo",
    /* ePragTyp:  */ PragTyp_INDEX_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 1 },
#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "integrity_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
................................................................................
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "writable_schema",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
#endif
};
/* Number of pragmas: 59 on by default, 72 total. */
/* End of the automatically generated pragma table.
***************************************************************************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL.  Return 1 for an empty or 
** unrecognized string argument.  The FULL option is disallowed
................................................................................
  char *aFcntl[4];       /* Argument to SQLITE_FCNTL_PRAGMA */
  int iDb;               /* Database index for <database> */
  int lwr, upr, mid = 0;       /* Binary search bounds */
  int rc;                      /* return value form SQLITE_FCNTL_PRAGMA */
  sqlite3 *db = pParse->db;    /* The database connection */
  Db *pDb;                     /* The specific database being pragmaed */
  Vdbe *v = sqlite3GetVdbe(pParse);  /* Prepared statement */
  const struct sPragmaNames *pPragma;

  if( v==0 ) return;
  sqlite3VdbeRunOnlyOnce(v);
  pParse->nMem = 2;

  /* Interpret the [database.] part of the pragma statement. iDb is the
  ** index of the database this pragma is being applied to in db.aDb[]. */
................................................................................
    if( rc<0 ){
      upr = mid - 1;
    }else{
      lwr = mid + 1;
    }
  }
  if( lwr>upr ) goto pragma_out;
  pPragma = &aPragmaNames[mid];

  /* Make sure the database schema is loaded if the pragma requires that */
  if( (pPragma->mPragFlag & PragFlag_NeedSchema)!=0 ){
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
  }

  /* Jump to the appropriate pragma handler */
  switch( pPragma->ePragTyp ){
  
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  /*
  **  PRAGMA [database.]default_cache_size
  **  PRAGMA [database.]default_cache_size=N
  **
  ** The first form reports the current persistent setting for the
................................................................................
    break;
  }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */

#ifndef SQLITE_OMIT_FLAG_PRAGMAS
  case PragTyp_FLAG: {
    if( zRight==0 ){
      returnSingleInt(pParse, pPragma->zName, (db->flags & pPragma->iArg)!=0 );

    }else{
      int mask = pPragma->iArg;    /* Mask of bits to set or clear. */
      if( db->autoCommit==0 ){
        /* Foreign key support may not be enabled or disabled while not
        ** in auto-commit mode.  */
        mask &= ~(SQLITE_ForeignKeys);
      }
#if SQLITE_USER_AUTHENTICATION
      if( db->auth.authLevel==UAUTH_User ){
................................................................................

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
      int mx = pPragma->iArg ? pIdx->nColumn : pIdx->nKeyCol;
      pTab = pIdx->pTable;
      sqlite3VdbeSetNumCols(v, 6);
      pParse->nMem = 6;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seqno", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "cid", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "desc", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "coll", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "key", SQLITE_STATIC);
      for(i=0; i<mx; i++){
        i16 cnum = pIdx->aiColumn[i];
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp2(v, OP_Integer, cnum, 2);
        if( cnum<0 ){
          sqlite3VdbeAddOp2(v, OP_Null, 0, 3);
        }else{
          sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, pTab->aCol[cnum].zName, 0);
        }
        sqlite3VdbeAddOp2(v, OP_Integer, pIdx->aSortOrder[i], 4);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 5, 0, pIdx->azColl[i], 0);
        sqlite3VdbeAddOp2(v, OP_Integer, i<pIdx->nKeyCol, 6);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }
  break;

  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;
    int i;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      sqlite3VdbeSetNumCols(v, 5);
      pParse->nMem = 5;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "origin", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "partial", SQLITE_STATIC);
      for(pIdx=pTab->pIndex, i=0; pIdx; pIdx=pIdx->pNext, i++){
        const char *azOrigin[] = { "c", "u", "pk" };
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
        sqlite3VdbeAddOp2(v, OP_Integer, IsUniqueIndex(pIdx), 3);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 4, 0, azOrigin[pIdx->idxType], 0);
        sqlite3VdbeAddOp2(v, OP_Integer, pIdx->pPartIdxWhere!=0, 5);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5);
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;
................................................................................
  ** the schema-version is potentially dangerous and may lead to program
  ** crashes or database corruption. Use with caution!
  **
  ** The user-version is not used internally by SQLite. It may be used by
  ** applications for any purpose.
  */
  case PragTyp_HEADER_VALUE: {
    int iCookie = pPragma->iArg;  /* Which cookie to read or write */
    sqlite3VdbeUsesBtree(v, iDb);
    if( zRight && (pPragma->mPragFlag & PragFlag_ReadOnly)==0 ){
      /* Write the specified cookie value */
      static const VdbeOpList setCookie[] = {
        { OP_Transaction,    0,  1,  0},    /* 0 */
        { OP_Integer,        0,  1,  0},    /* 1 */
        { OP_SetCookie,      0,  0,  1},    /* 2 */
      };
      int addr = sqlite3VdbeAddOpList(v, ArraySize(setCookie), setCookie, 0);
................................................................................
  **
  ** Call sqlite3_busy_timeout(db, N).  Return the current timeout value
  ** if one is set.  If no busy handler or a different busy handler is set
  ** then 0 is returned.  Setting the busy_timeout to 0 or negative
  ** disables the timeout.
  */
  /*case PragTyp_BUSY_TIMEOUT*/ default: {
    assert( pPragma->ePragTyp==PragTyp_BUSY_TIMEOUT );
    if( zRight ){
      sqlite3_busy_timeout(db, sqlite3Atoi(zRight));
    }
    returnSingleInt(pParse, "timeout",  db->busyTimeout);
    break;
  }

Changes to test/pragma.test.

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#              directive - if it is present.
#

ifcapable !pragma {
  finish_test
  return
}

























# Delete the preexisting database to avoid the special setup
# that the "all.test" script does.
#
db close
delete_file test.db test.db-journal
delete_file test3.db test3.db-journal
................................................................................
  } {}
  do_test pragma-6.3.4 {
    execsql {
      pragma foreign_key_list(t5);
    }
  } {}
  do_test pragma-6.4 {
    execsql {
      pragma index_list(t3);
    }

  } {0 sqlite_autoindex_t3_1 1}
}
ifcapable {!foreignkey} {
  execsql {CREATE TABLE t3(a,b UNIQUE)}
}
do_test pragma-6.5.1 {
  execsql {
    CREATE INDEX t3i1 ON t3(a,b);


    pragma index_info(t3i1);
  }

} {0 0 a 1 1 b}
do_test pragma-6.5.2 {
  execsql {
    pragma index_info(t3i1_bogus);
  }
} {}

................................................................................
    CREATE TABLE test_table(
      one INT NOT NULL DEFAULT -1, 
      two text,
      three VARCHAR(45, 65) DEFAULT 'abcde',
      four REAL DEFAULT X'abcdef',
      five DEFAULT CURRENT_TIME
    );
    PRAGMA table_info(test_table);
  }



} [concat \
  {0 one INT 1 -1 0} \
  {1 two text 0 {} 0} \
  {2 three {VARCHAR(45, 65)} 0 'abcde' 0} \
  {3 four REAL 0 X'abcdef' 0} \
  {4 five {} 0 CURRENT_TIME 0} \
]
................................................................................
# Miscellaneous tests
#
ifcapable schema_pragmas {
do_test pragma-7.1.1 {
  # Make sure a pragma knows to read the schema if it needs to
  db close
  sqlite3 db test.db
  execsql {
    pragma index_list(t3);
  }

} {0 t3i1 0 1 sqlite_autoindex_t3_1 1}
do_test pragma-7.1.2 {
  execsql {
    pragma index_list(t3_bogus);
  }
} {}
} ;# ifcapable schema_pragmas
ifcapable {utf16} {
................................................................................
    CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
    CREATE INDEX i1 ON t1(b,c);
    CREATE INDEX i2 ON t1(c,d);
    CREATE TABLE t2(x INTEGER REFERENCES t1);
  }
  db2 eval {SELECT name FROM sqlite_master}
} {t1 i1 i2 t2}
do_test 23.2 {
  db eval {
    DROP INDEX i2;
    CREATE INDEX i2 ON t1(c,d,b);
  }
  db2 eval {PRAGMA index_info(i2)}
} {0 2 c 1 3 d 2 1 b}





do_test 23.3 {
  db eval {
    CREATE INDEX i3 ON t1(d,b,c);
  }
  db2 eval {PRAGMA index_list(t1)}
} {0 i3 0 1 i2 0 2 i1 0}

do_test 23.4 {
  db eval {
    ALTER TABLE t1 ADD COLUMN e;
  }
  db2 eval {
    PRAGMA table_info(t1);
  }







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#              directive - if it is present.
#

ifcapable !pragma {
  finish_test
  return
}

# Capture the output of a pragma in a TEMP table.
#
proc capture_pragma {db tabname sql} {
  $db eval "DROP TABLE IF EXISTS temp.$tabname"
  set once 1
  $db eval $sql x {
    if {$once} {
      set once 0
      set ins "INSERT INTO $tabname VALUES"
      set crtab "CREATE TEMP TABLE $tabname "
      set sep "("
      foreach col $x(*) {
        append ins ${sep}\$x($col)
        append crtab ${sep}\"$col\"
        set sep ,
      }
      append ins )
      append crtab )
      $db eval $crtab
    }
    $db eval $ins
  }
}

# Delete the preexisting database to avoid the special setup
# that the "all.test" script does.
#
db close
delete_file test.db test.db-journal
delete_file test3.db test3.db-journal
................................................................................
  } {}
  do_test pragma-6.3.4 {
    execsql {
      pragma foreign_key_list(t5);
    }
  } {}
  do_test pragma-6.4 {
    capture_pragma db out {
      pragma index_list(t3);
    }
    db eval {SELECT seq, "name", "unique" FROM out ORDER BY seq}
  } {0 sqlite_autoindex_t3_1 1}
}
ifcapable {!foreignkey} {
  execsql {CREATE TABLE t3(a,b UNIQUE)}
}
do_test pragma-6.5.1 {
  execsql {
    CREATE INDEX t3i1 ON t3(a,b);
  }
  capture_pragma db out {
    pragma index_info(t3i1);
  }
  db eval {SELECT seqno, cid, name FROM out ORDER BY seqno}
} {0 0 a 1 1 b}
do_test pragma-6.5.2 {
  execsql {
    pragma index_info(t3i1_bogus);
  }
} {}

................................................................................
    CREATE TABLE test_table(
      one INT NOT NULL DEFAULT -1, 
      two text,
      three VARCHAR(45, 65) DEFAULT 'abcde',
      four REAL DEFAULT X'abcdef',
      five DEFAULT CURRENT_TIME
    );

  }
  capture_pragma db out {PRAGMA table_info(test_table)}
  db eval {SELECT cid, "name", type, "notnull", dflt_value, pk FROM out
            ORDER BY cid}
} [concat \
  {0 one INT 1 -1 0} \
  {1 two text 0 {} 0} \
  {2 three {VARCHAR(45, 65)} 0 'abcde' 0} \
  {3 four REAL 0 X'abcdef' 0} \
  {4 five {} 0 CURRENT_TIME 0} \
]
................................................................................
# Miscellaneous tests
#
ifcapable schema_pragmas {
do_test pragma-7.1.1 {
  # Make sure a pragma knows to read the schema if it needs to
  db close
  sqlite3 db test.db

  capture_pragma db out "PRAGMA index_list(t3)"

  db eval {SELECT name, "origin" FROM out ORDER BY name DESC}
} {t3i1 c sqlite_autoindex_t3_1 u}
do_test pragma-7.1.2 {
  execsql {
    pragma index_list(t3_bogus);
  }
} {}
} ;# ifcapable schema_pragmas
ifcapable {utf16} {
................................................................................
    CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
    CREATE INDEX i1 ON t1(b,c);
    CREATE INDEX i2 ON t1(c,d);
    CREATE TABLE t2(x INTEGER REFERENCES t1);
  }
  db2 eval {SELECT name FROM sqlite_master}
} {t1 i1 i2 t2}
do_test 23.2a {
  db eval {
    DROP INDEX i2;
    CREATE INDEX i2 ON t1(c,d,b);
  }
  capture_pragma db2 out {PRAGMA index_info(i2)}
  db2 eval {SELECT cid, name, "desc", coll, "key", '|' FROM out ORDER BY seqno}
} {2 c 0 BINARY 1 | 3 d 0 BINARY 1 | 1 b 0 BINARY 1 |}
do_test 23.2b {
  capture_pragma db2 out {PRAGMA index_xinfo(i2)}
  db2 eval {SELECT cid, name, "desc", coll, "key", '|' FROM out ORDER BY seqno}
} {2 c 0 BINARY 1 | 3 d 0 BINARY 1 | 1 b 0 BINARY 1 | -1 {} 0 BINARY 0 |}
do_test 23.3 {
  db eval {
    CREATE INDEX i3 ON t1(d,b,c);
  }
  capture_pragma db2 out {PRAGMA index_list(t1)}
  db2 eval {SELECT name, "unique", origin FROM out ORDER BY seq}
} {i3 0 c i2 0 c i1 0 c}
do_test 23.4 {
  db eval {
    ALTER TABLE t1 ADD COLUMN e;
  }
  db2 eval {
    PRAGMA table_info(t1);
  }

Changes to tool/mkpragmatab.tcl.

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  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: stats
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info








  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_list
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)








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  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: stats
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info
  TYPE: INDEX_INFO
  ARG:  0
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_xinfo
  TYPE: INDEX_INFO
  ARG:  1
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_list
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)