Add the ".imposter" command to the command-line shell.
FossilOrigin-Name: be3ec8fdcf1541017ca9375df07645db2a9a3f5a
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drh
parent
6027561178
commit
16eb59484f
12
manifest
12
manifest
@ -1,5 +1,5 @@
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C Fix\san\spossible\sNULL\spointer\sdeference\sin\sthe\scommand-line\sshell\sthat\scan\noccur\swhen\susing\simposter\smode.
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D 2016-11-03T02:25:30.134
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C Add\sthe\s".imposter"\scommand\sto\sthe\scommand-line\sshell.
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D 2016-11-03T13:01:38.992
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F Makefile.in 6fd48ffcf7c2deea7499062d1f3747f986c19678
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F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
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F Makefile.msc e0217f2d35a0448abbe4b066132ae20136e8b408
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@ -388,7 +388,7 @@ F src/random.c ba2679f80ec82c4190062d756f22d0c358180696
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F src/resolve.c 3fac1b2737ea5a724f20b921ac7e259c9be2100b
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F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
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F src/select.c ea3af83e2d0f245fef81ea4cf04cb730ce67f722
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F src/shell.c 0abcad599065d9e00b91ca4ad7d14b98ea381d91
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F src/shell.c 859c497e9f83a5326f43c1a0e078acc52952b275
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F src/sqlite.h.in 97e9b0f952306677db82b055147ed1d99cb7ba66
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F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
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F src/sqlite3ext.h 8648034aa702469afb553231677306cc6492a1ae
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@ -1529,7 +1529,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P def8f598b8e33b5bab3a024cc57f4c5e300cd8cd
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R ae537ccc69c194277761110153c77ab0
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P ad08753a8bbf073ec4af9c3a5783ed664244d954
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R 4bccfcf3c4fd102e5db9ad5f3fdf53dc
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U drh
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Z c8a9d3d6f5e70005dce9f87ade1f94d9
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Z 3d1bd5abf50601149224220b1d9418d0
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@ -1 +1 @@
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ad08753a8bbf073ec4af9c3a5783ed664244d954
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be3ec8fdcf1541017ca9375df07645db2a9a3f5a
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68
src/shell.c
68
src/shell.c
@ -2164,6 +2164,9 @@ static char zHelp[] =
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".headers on|off Turn display of headers on or off\n"
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".help Show this message\n"
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".import FILE TABLE Import data from FILE into TABLE\n"
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#ifndef SQLITE_OMIT_TEST_CONTROL
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".imposter INDEX TABLE Create imposter table TABLE on index INDEX\n"
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#endif
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".indexes ?TABLE? Show names of all indexes\n"
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" If TABLE specified, only show indexes for tables\n"
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" matching LIKE pattern TABLE.\n"
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@ -3846,6 +3849,68 @@ static int do_meta_command(char *zLine, ShellState *p){
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}
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}else
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#ifndef SQLITE_OMIT_BUILTIN_TEST
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if( c=='i' && strncmp(azArg[0], "imposter", n)==0 ){
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char *zSql;
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char *zCollist = 0;
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sqlite3_stmt *pStmt;
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int tnum = 0;
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if( nArg!=3 ){
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utf8_printf(stderr, "Usage: .imposter INDEX IMPOSTER\n");
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rc = 1;
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goto meta_command_exit;
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}
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open_db(p, 0);
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zSql = sqlite3_mprintf("SELECT rootpage FROM sqlite_master"
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" WHERE name='%q' AND type='index'", azArg[1]);
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sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
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sqlite3_free(zSql);
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if( sqlite3_step(pStmt)==SQLITE_ROW ){
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tnum = sqlite3_column_int(pStmt, 0);
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}
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sqlite3_finalize(pStmt);
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if( tnum==0 ){
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utf8_printf(stderr, "no such index: \"%s\"\n", azArg[1]);
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rc = 1;
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goto meta_command_exit;
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}
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zSql = sqlite3_mprintf("PRAGMA index_xinfo='%q'", azArg[1]);
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rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
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sqlite3_free(zSql);
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while( sqlite3_step(pStmt)==SQLITE_ROW ){
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const char *zCol = (const char*)sqlite3_column_text(pStmt,2);
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if( zCol==0 ) zCol = "_ROWID_";
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if( zCollist==0 ){
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zCollist = sqlite3_mprintf("\"%w\"", zCol);
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}else{
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zCollist = sqlite3_mprintf("%z,\"%w\"", zCollist, zCol);
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}
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}
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sqlite3_finalize(pStmt);
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zSql = sqlite3_mprintf(
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"CREATE TABLE \"%w\"(%s,PRIMARY KEY(%s))WITHOUT ROWID",
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azArg[2], zCollist, zCollist);
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sqlite3_free(zCollist);
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rc = sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 1, tnum);
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if( rc==SQLITE_OK ){
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rc = sqlite3_exec(p->db, zSql, 0, 0, 0);
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sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 0, 0);
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if( rc ){
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utf8_printf(stderr, "Error in [%s]: %s\n", zSql, sqlite3_errmsg(p->db));
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}else{
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utf8_printf(stdout, "%s;\n", zSql);
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utf8_printf(stdout,
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"WARNING: writing to an imposter table will corrupt the index!\n"
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);
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}
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}else{
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utf8_printf(stderr, "SQLITE_TESTCTRL_IMPOSTER returns %d\n", rc);
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rc = 1;
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}
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sqlite3_free(zSql);
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}else
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#endif /* !defined(SQLITE_OMIT_TEST_CONTROL) */
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#ifdef SQLITE_ENABLE_IOTRACE
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if( c=='i' && strncmp(azArg[0], "iotrace", n)==0 ){
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SQLITE_API extern void (SQLITE_CDECL *sqlite3IoTrace)(const char*, ...);
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@ -3868,6 +3933,7 @@ static int do_meta_command(char *zLine, ShellState *p){
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}
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}else
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#endif
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if( c=='l' && n>=5 && strncmp(azArg[0], "limits", n)==0 ){
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static const struct {
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const char *zLimitName; /* Name of a limit */
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@ -4708,6 +4774,7 @@ static int do_meta_command(char *zLine, ShellState *p){
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}
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}else
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#ifndef SQLITE_OMIT_BUILTIN_TEST
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if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){
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static const struct {
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const char *zCtrlName; /* Name of a test-control option */
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@ -4883,6 +4950,7 @@ static int do_meta_command(char *zLine, ShellState *p){
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}
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#endif
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}else
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#endif /* !defined(SQLITE_OMIT_BUILTIN_TEST) */
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#if SQLITE_USER_AUTHENTICATION
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if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
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