os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/autoinc.test
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/autoinc.test	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,560 @@
     1.4 +# 2004 November 12
     1.5 +#
     1.6 +# The author disclaims copyright to this source code.  In place of
     1.7 +# a legal notice, here is a blessing:
     1.8 +#
     1.9 +#    May you do good and not evil.
    1.10 +#    May you find forgiveness for yourself and forgive others.
    1.11 +#    May you share freely, never taking more than you give.
    1.12 +#
    1.13 +#*************************************************************************
    1.14 +# This file implements regression tests for SQLite library.  The
    1.15 +# focus of this script is testing the AUTOINCREMENT features.
    1.16 +#
    1.17 +# $Id: autoinc.test,v 1.13 2008/08/11 18:44:58 drh Exp $
    1.18 +#
    1.19 +
    1.20 +set testdir [file dirname $argv0]
    1.21 +source $testdir/tester.tcl
    1.22 +
    1.23 +# If the library is not compiled with autoincrement support then
    1.24 +# skip all tests in this file.
    1.25 +#
    1.26 +ifcapable {!autoinc} {
    1.27 +  finish_test
    1.28 +  return
    1.29 +}
    1.30 +
    1.31 +# The database is initially empty.
    1.32 +#
    1.33 +do_test autoinc-1.1 {
    1.34 +  execsql {
    1.35 +    SELECT name FROM sqlite_master WHERE type='table';
    1.36 +  }
    1.37 +} {}
    1.38 +
    1.39 +# Add a table with the AUTOINCREMENT feature.  Verify that the
    1.40 +# SQLITE_SEQUENCE table gets created.
    1.41 +#
    1.42 +do_test autoinc-1.2 {
    1.43 +  execsql {
    1.44 +    CREATE TABLE t1(x INTEGER PRIMARY KEY AUTOINCREMENT, y);
    1.45 +    SELECT name FROM sqlite_master WHERE type='table';
    1.46 +  }
    1.47 +} {t1 sqlite_sequence}
    1.48 +
    1.49 +# The SQLITE_SEQUENCE table is initially empty
    1.50 +#
    1.51 +do_test autoinc-1.3 {
    1.52 +  execsql {
    1.53 +    SELECT * FROM sqlite_sequence;
    1.54 +  }
    1.55 +} {}
    1.56 +do_test autoinc-1.3.1 {
    1.57 +  catchsql {
    1.58 +    CREATE INDEX seqidx ON sqlite_sequence(name)
    1.59 +  }
    1.60 +} {1 {table sqlite_sequence may not be indexed}}
    1.61 +
    1.62 +# Close and reopen the database.  Verify that everything is still there.
    1.63 +#
    1.64 +do_test autoinc-1.4 {
    1.65 +  db close
    1.66 +  sqlite3 db test.db
    1.67 +  execsql {
    1.68 +    SELECT * FROM sqlite_sequence;
    1.69 +  }
    1.70 +} {}
    1.71 +
    1.72 +# We are not allowed to drop the sqlite_sequence table.
    1.73 +#
    1.74 +do_test autoinc-1.5 {
    1.75 +  catchsql {DROP TABLE sqlite_sequence}
    1.76 +} {1 {table sqlite_sequence may not be dropped}}
    1.77 +do_test autoinc-1.6 {
    1.78 +  execsql {SELECT name FROM sqlite_master WHERE type='table'}
    1.79 +} {t1 sqlite_sequence}
    1.80 +
    1.81 +# Insert an entries into the t1 table and make sure the largest key
    1.82 +# is always recorded in the sqlite_sequence table.
    1.83 +#
    1.84 +do_test autoinc-2.1 {
    1.85 +  execsql {
    1.86 +    SELECT * FROM sqlite_sequence
    1.87 +  }
    1.88 +} {}
    1.89 +do_test autoinc-2.2 {
    1.90 +  execsql {
    1.91 +    INSERT INTO t1 VALUES(12,34);
    1.92 +    SELECT * FROM sqlite_sequence;
    1.93 +  }
    1.94 +} {t1 12}
    1.95 +do_test autoinc-2.3 {
    1.96 +  execsql {
    1.97 +    INSERT INTO t1 VALUES(1,23);
    1.98 +    SELECT * FROM sqlite_sequence;
    1.99 +  }
   1.100 +} {t1 12}
   1.101 +do_test autoinc-2.4 {
   1.102 +  execsql {
   1.103 +    INSERT INTO t1 VALUES(123,456);
   1.104 +    SELECT * FROM sqlite_sequence;
   1.105 +  }
   1.106 +} {t1 123}
   1.107 +do_test autoinc-2.5 {
   1.108 +  execsql {
   1.109 +    INSERT INTO t1 VALUES(NULL,567);
   1.110 +    SELECT * FROM sqlite_sequence;
   1.111 +  }
   1.112 +} {t1 124}
   1.113 +do_test autoinc-2.6 {
   1.114 +  execsql {
   1.115 +    DELETE FROM t1 WHERE y=567;
   1.116 +    SELECT * FROM sqlite_sequence;
   1.117 +  }
   1.118 +} {t1 124}
   1.119 +do_test autoinc-2.7 {
   1.120 +  execsql {
   1.121 +    INSERT INTO t1 VALUES(NULL,567);
   1.122 +    SELECT * FROM sqlite_sequence;
   1.123 +  }
   1.124 +} {t1 125}
   1.125 +do_test autoinc-2.8 {
   1.126 +  execsql {
   1.127 +    DELETE FROM t1;
   1.128 +    SELECT * FROM sqlite_sequence;
   1.129 +  }
   1.130 +} {t1 125}
   1.131 +do_test autoinc-2.9 {
   1.132 +  execsql {
   1.133 +    INSERT INTO t1 VALUES(12,34);
   1.134 +    SELECT * FROM sqlite_sequence;
   1.135 +  }
   1.136 +} {t1 125}
   1.137 +do_test autoinc-2.10 {
   1.138 +  execsql {
   1.139 +    INSERT INTO t1 VALUES(125,456);
   1.140 +    SELECT * FROM sqlite_sequence;
   1.141 +  }
   1.142 +} {t1 125}
   1.143 +do_test autoinc-2.11 {
   1.144 +  execsql {
   1.145 +    INSERT INTO t1 VALUES(-1234567,-1);
   1.146 +    SELECT * FROM sqlite_sequence;
   1.147 +  }
   1.148 +} {t1 125}
   1.149 +do_test autoinc-2.12 {
   1.150 +  execsql {
   1.151 +    INSERT INTO t1 VALUES(234,5678);
   1.152 +    SELECT * FROM sqlite_sequence;
   1.153 +  }
   1.154 +} {t1 234}
   1.155 +do_test autoinc-2.13 {
   1.156 +  execsql {
   1.157 +    DELETE FROM t1;
   1.158 +    INSERT INTO t1 VALUES(NULL,1);
   1.159 +    SELECT * FROM sqlite_sequence;
   1.160 +  }
   1.161 +} {t1 235}
   1.162 +do_test autoinc-2.14 {
   1.163 +  execsql {
   1.164 +    SELECT * FROM t1;
   1.165 +  }
   1.166 +} {235 1}
   1.167 +
   1.168 +# Manually change the autoincrement values in sqlite_sequence.
   1.169 +#
   1.170 +do_test autoinc-2.20 {
   1.171 +  execsql {
   1.172 +    UPDATE sqlite_sequence SET seq=1234 WHERE name='t1';
   1.173 +    INSERT INTO t1 VALUES(NULL,2);
   1.174 +    SELECT * FROM t1;
   1.175 +  }
   1.176 +} {235 1 1235 2}
   1.177 +do_test autoinc-2.21 {
   1.178 +  execsql {
   1.179 +    SELECT * FROM sqlite_sequence;
   1.180 +  }
   1.181 +} {t1 1235}
   1.182 +do_test autoinc-2.22 {
   1.183 +  execsql {
   1.184 +    UPDATE sqlite_sequence SET seq=NULL WHERE name='t1';
   1.185 +    INSERT INTO t1 VALUES(NULL,3);
   1.186 +    SELECT * FROM t1;
   1.187 +  }
   1.188 +} {235 1 1235 2 1236 3}
   1.189 +do_test autoinc-2.23 {
   1.190 +  execsql {
   1.191 +    SELECT * FROM sqlite_sequence;
   1.192 +  }
   1.193 +} {t1 1236}
   1.194 +do_test autoinc-2.24 {
   1.195 +  execsql {
   1.196 +    UPDATE sqlite_sequence SET seq='a-string' WHERE name='t1';
   1.197 +    INSERT INTO t1 VALUES(NULL,4);
   1.198 +    SELECT * FROM t1;
   1.199 +  }
   1.200 +} {235 1 1235 2 1236 3 1237 4}
   1.201 +do_test autoinc-2.25 {
   1.202 +  execsql {
   1.203 +    SELECT * FROM sqlite_sequence;
   1.204 +  }
   1.205 +} {t1 1237}
   1.206 +do_test autoinc-2.26 {
   1.207 +  execsql {
   1.208 +    DELETE FROM sqlite_sequence WHERE name='t1';
   1.209 +    INSERT INTO t1 VALUES(NULL,5);
   1.210 +    SELECT * FROM t1;
   1.211 +  }
   1.212 +} {235 1 1235 2 1236 3 1237 4 1238 5}
   1.213 +do_test autoinc-2.27 {
   1.214 +  execsql {
   1.215 +    SELECT * FROM sqlite_sequence;
   1.216 +  }
   1.217 +} {t1 1238}
   1.218 +do_test autoinc-2.28 {
   1.219 +  execsql {
   1.220 +    UPDATE sqlite_sequence SET seq='12345678901234567890'
   1.221 +      WHERE name='t1';
   1.222 +    INSERT INTO t1 VALUES(NULL,6);
   1.223 +    SELECT * FROM t1;
   1.224 +  }
   1.225 +} {235 1 1235 2 1236 3 1237 4 1238 5 1239 6}
   1.226 +do_test autoinc-2.29 {
   1.227 +  execsql {
   1.228 +    SELECT * FROM sqlite_sequence;
   1.229 +  }
   1.230 +} {t1 1239}
   1.231 +
   1.232 +# Test multi-row inserts
   1.233 +#
   1.234 +do_test autoinc-2.50 {
   1.235 +  execsql {
   1.236 +    DELETE FROM t1 WHERE y>=3;
   1.237 +    INSERT INTO t1 SELECT NULL, y+2 FROM t1;
   1.238 +    SELECT * FROM t1;
   1.239 +  }
   1.240 +} {235 1 1235 2 1240 3 1241 4}
   1.241 +do_test autoinc-2.51 {
   1.242 +  execsql {
   1.243 +    SELECT * FROM sqlite_sequence
   1.244 +  }
   1.245 +} {t1 1241}
   1.246 +
   1.247 +ifcapable tempdb {
   1.248 +  do_test autoinc-2.52 {
   1.249 +    execsql {
   1.250 +      CREATE TEMP TABLE t2 AS SELECT y FROM t1;
   1.251 +    }
   1.252 +    execsql {
   1.253 +      INSERT INTO t1 SELECT NULL, y+4 FROM t2;
   1.254 +      SELECT * FROM t1;
   1.255 +    }
   1.256 +  } {235 1 1235 2 1240 3 1241 4 1242 5 1243 6 1244 7 1245 8}
   1.257 +  do_test autoinc-2.53 {
   1.258 +    execsql {
   1.259 +      SELECT * FROM sqlite_sequence
   1.260 +    }
   1.261 +  } {t1 1245}
   1.262 +  do_test autoinc-2.54 {
   1.263 +    execsql {
   1.264 +      DELETE FROM t1;
   1.265 +      INSERT INTO t1 SELECT NULL, y FROM t2;
   1.266 +      SELECT * FROM t1;
   1.267 +    }
   1.268 +  } {1246 1 1247 2 1248 3 1249 4}
   1.269 +  do_test autoinc-2.55 {
   1.270 +    execsql {
   1.271 +      SELECT * FROM sqlite_sequence
   1.272 +    }
   1.273 +  } {t1 1249}
   1.274 +}
   1.275 +
   1.276 +# Create multiple AUTOINCREMENT tables.  Make sure all sequences are
   1.277 +# tracked separately and do not interfere with one another.
   1.278 +#
   1.279 +do_test autoinc-2.70 {
   1.280 +  catchsql {
   1.281 +    DROP TABLE t2;
   1.282 +  }
   1.283 +  execsql {
   1.284 +    CREATE TABLE t2(d, e INTEGER PRIMARY KEY AUTOINCREMENT, f);
   1.285 +    INSERT INTO t2(d) VALUES(1);
   1.286 +    SELECT * FROM sqlite_sequence;
   1.287 +  }
   1.288 +} [ifcapable tempdb {list t1 1249 t2 1} else {list t1 1241 t2 1}]
   1.289 +do_test autoinc-2.71 {
   1.290 +  execsql {
   1.291 +    INSERT INTO t2(d) VALUES(2);
   1.292 +    SELECT * FROM sqlite_sequence;
   1.293 +  }
   1.294 +} [ifcapable tempdb {list t1 1249 t2 2} else {list t1 1241 t2 2}]
   1.295 +do_test autoinc-2.72 {
   1.296 +  execsql {
   1.297 +    INSERT INTO t1(x) VALUES(10000);
   1.298 +    SELECT * FROM sqlite_sequence;
   1.299 +  }
   1.300 +} {t1 10000 t2 2}
   1.301 +do_test autoinc-2.73 {
   1.302 +  execsql {
   1.303 +    CREATE TABLE t3(g INTEGER PRIMARY KEY AUTOINCREMENT, h);
   1.304 +    INSERT INTO t3(h) VALUES(1);
   1.305 +    SELECT * FROM sqlite_sequence;
   1.306 +  }
   1.307 +} {t1 10000 t2 2 t3 1}
   1.308 +do_test autoinc-2.74 {
   1.309 +  execsql {
   1.310 +    INSERT INTO t2(d,e) VALUES(3,100);
   1.311 +    SELECT * FROM sqlite_sequence;
   1.312 +  }
   1.313 +} {t1 10000 t2 100 t3 1}
   1.314 +
   1.315 +
   1.316 +# When a table with an AUTOINCREMENT is deleted, the corresponding entry
   1.317 +# in the SQLITE_SEQUENCE table should also be deleted.  But the SQLITE_SEQUENCE
   1.318 +# table itself should remain behind.
   1.319 +#
   1.320 +do_test autoinc-3.1 {
   1.321 +  execsql {SELECT name FROM sqlite_sequence}
   1.322 +} {t1 t2 t3}
   1.323 +do_test autoinc-3.2 {
   1.324 +  execsql {
   1.325 +    DROP TABLE t1;
   1.326 +    SELECT name FROM sqlite_sequence;
   1.327 +  }
   1.328 +} {t2 t3}
   1.329 +do_test autoinc-3.3 {
   1.330 +  execsql {
   1.331 +    DROP TABLE t3;
   1.332 +    SELECT name FROM sqlite_sequence;
   1.333 +  }
   1.334 +} {t2}
   1.335 +do_test autoinc-3.4 {
   1.336 +  execsql {
   1.337 +    DROP TABLE t2;
   1.338 +    SELECT name FROM sqlite_sequence;
   1.339 +  }
   1.340 +} {}
   1.341 +
   1.342 +# AUTOINCREMENT on TEMP tables.
   1.343 +#
   1.344 +ifcapable tempdb {
   1.345 +  do_test autoinc-4.1 {
   1.346 +    execsql {
   1.347 +      SELECT 1, name FROM sqlite_master WHERE type='table';
   1.348 +      SELECT 2, name FROM sqlite_temp_master WHERE type='table';
   1.349 +    }
   1.350 +  } {1 sqlite_sequence}
   1.351 +  do_test autoinc-4.2 {
   1.352 +    execsql {
   1.353 +      CREATE TABLE t1(x INTEGER PRIMARY KEY AUTOINCREMENT, y);
   1.354 +      CREATE TEMP TABLE t3(a INTEGER PRIMARY KEY AUTOINCREMENT, b);
   1.355 +      SELECT 1, name FROM sqlite_master WHERE type='table';
   1.356 +      SELECT 2, name FROM sqlite_temp_master WHERE type='table';
   1.357 +    }
   1.358 +  } {1 sqlite_sequence 1 t1 2 t3 2 sqlite_sequence}
   1.359 +  do_test autoinc-4.3 {
   1.360 +    execsql {
   1.361 +      SELECT 1, * FROM main.sqlite_sequence;
   1.362 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.363 +    }
   1.364 +  } {}
   1.365 +  do_test autoinc-4.4 {
   1.366 +    execsql {
   1.367 +      INSERT INTO t1 VALUES(10,1);
   1.368 +      INSERT INTO t3 VALUES(20,2);
   1.369 +      INSERT INTO t1 VALUES(NULL,3);
   1.370 +      INSERT INTO t3 VALUES(NULL,4);
   1.371 +    }
   1.372 +  } {}
   1.373 +  
   1.374 +  ifcapable compound {
   1.375 +  do_test autoinc-4.4.1 {
   1.376 +    execsql {
   1.377 +      SELECT * FROM t1 UNION ALL SELECT * FROM t3;
   1.378 +    }
   1.379 +  } {10 1 11 3 20 2 21 4}
   1.380 +  } ;# ifcapable compound
   1.381 +  
   1.382 +  do_test autoinc-4.5 {
   1.383 +    execsql {
   1.384 +      SELECT 1, * FROM main.sqlite_sequence;
   1.385 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.386 +    }
   1.387 +  } {1 t1 11 2 t3 21}
   1.388 +  do_test autoinc-4.6 {
   1.389 +    execsql {
   1.390 +      INSERT INTO t1 SELECT * FROM t3;
   1.391 +      SELECT 1, * FROM main.sqlite_sequence;
   1.392 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.393 +    }
   1.394 +  } {1 t1 21 2 t3 21}
   1.395 +  do_test autoinc-4.7 {
   1.396 +    execsql {
   1.397 +      INSERT INTO t3 SELECT x+100, y  FROM t1;
   1.398 +      SELECT 1, * FROM main.sqlite_sequence;
   1.399 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.400 +    }
   1.401 +  } {1 t1 21 2 t3 121}
   1.402 +  do_test autoinc-4.8 {
   1.403 +    execsql {
   1.404 +      DROP TABLE t3;
   1.405 +      SELECT 1, * FROM main.sqlite_sequence;
   1.406 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.407 +    }
   1.408 +  } {1 t1 21}
   1.409 +  do_test autoinc-4.9 {
   1.410 +    execsql {
   1.411 +      CREATE TEMP TABLE t2(p INTEGER PRIMARY KEY AUTOINCREMENT, q);
   1.412 +      INSERT INTO t2 SELECT * FROM t1;
   1.413 +      DROP TABLE t1;
   1.414 +      SELECT 1, * FROM main.sqlite_sequence;
   1.415 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.416 +    }
   1.417 +  } {2 t2 21}
   1.418 +  do_test autoinc-4.10 {
   1.419 +    execsql {
   1.420 +      DROP TABLE t2;
   1.421 +      SELECT 1, * FROM main.sqlite_sequence;
   1.422 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.423 +    }
   1.424 +  } {}
   1.425 +}
   1.426 +
   1.427 +# Make sure AUTOINCREMENT works on ATTACH-ed tables.
   1.428 +#
   1.429 +ifcapable tempdb&&attach {
   1.430 +  do_test autoinc-5.1 {
   1.431 +    file delete -force test2.db
   1.432 +    file delete -force test2.db-journal
   1.433 +    sqlite3 db2 test2.db
   1.434 +    execsql {
   1.435 +      CREATE TABLE t4(m INTEGER PRIMARY KEY AUTOINCREMENT, n);
   1.436 +      CREATE TABLE t5(o, p INTEGER PRIMARY KEY AUTOINCREMENT);
   1.437 +    } db2;
   1.438 +    execsql {
   1.439 +      ATTACH 'test2.db' as aux;
   1.440 +      SELECT 1, * FROM main.sqlite_sequence;
   1.441 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.442 +      SELECT 3, * FROM aux.sqlite_sequence;
   1.443 +    }
   1.444 +  } {}
   1.445 +  do_test autoinc-5.2 {
   1.446 +    execsql {
   1.447 +      INSERT INTO t4 VALUES(NULL,1);
   1.448 +      SELECT 1, * FROM main.sqlite_sequence;
   1.449 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.450 +      SELECT 3, * FROM aux.sqlite_sequence;
   1.451 +    }
   1.452 +  } {3 t4 1}
   1.453 +  do_test autoinc-5.3 {
   1.454 +    execsql {
   1.455 +      INSERT INTO t5 VALUES(100,200);
   1.456 +      SELECT * FROM sqlite_sequence
   1.457 +    } db2
   1.458 +  } {t4 1 t5 200}
   1.459 +  do_test autoinc-5.4 {
   1.460 +    execsql {
   1.461 +      SELECT 1, * FROM main.sqlite_sequence;
   1.462 +      SELECT 2, * FROM temp.sqlite_sequence;
   1.463 +      SELECT 3, * FROM aux.sqlite_sequence;
   1.464 +    }
   1.465 +  } {3 t4 1 3 t5 200}
   1.466 +}
   1.467 +
   1.468 +# Requirement REQ00310:  Make sure an insert fails if the sequence is
   1.469 +# already at its maximum value.
   1.470 +#
   1.471 +ifcapable {rowid32} {
   1.472 +  do_test autoinc-6.1 {
   1.473 +    execsql {
   1.474 +      CREATE TABLE t6(v INTEGER PRIMARY KEY AUTOINCREMENT, w);
   1.475 +      INSERT INTO t6 VALUES(2147483647,1);
   1.476 +      SELECT seq FROM main.sqlite_sequence WHERE name='t6';
   1.477 +    }
   1.478 +  } 2147483647
   1.479 +}
   1.480 +ifcapable {!rowid32} {
   1.481 +  do_test autoinc-6.1 {
   1.482 +    execsql {
   1.483 +      CREATE TABLE t6(v INTEGER PRIMARY KEY AUTOINCREMENT, w);
   1.484 +      INSERT INTO t6 VALUES(9223372036854775807,1);
   1.485 +      SELECT seq FROM main.sqlite_sequence WHERE name='t6';
   1.486 +    }
   1.487 +  } 9223372036854775807
   1.488 +}
   1.489 +do_test autoinc-6.2 {
   1.490 +  catchsql {
   1.491 +    INSERT INTO t6 VALUES(NULL,1);
   1.492 +  }
   1.493 +} {1 {database or disk is full}}
   1.494 +
   1.495 +# Allow the AUTOINCREMENT keyword inside the parentheses
   1.496 +# on a separate PRIMARY KEY designation.
   1.497 +#
   1.498 +do_test autoinc-7.1 {
   1.499 +  execsql {
   1.500 +    CREATE TABLE t7(x INTEGER, y REAL, PRIMARY KEY(x AUTOINCREMENT));
   1.501 +    INSERT INTO t7(y) VALUES(123);
   1.502 +    INSERT INTO t7(y) VALUES(234);
   1.503 +    DELETE FROM t7;
   1.504 +    INSERT INTO t7(y) VALUES(345);
   1.505 +    SELECT * FROM t7;
   1.506 +  }
   1.507 +} {3 345.0}
   1.508 +
   1.509 +# Test that if the AUTOINCREMENT is applied to a non integer primary key
   1.510 +# the error message is sensible.
   1.511 +do_test autoinc-7.2 {
   1.512 +  catchsql {
   1.513 +    CREATE TABLE t8(x TEXT PRIMARY KEY AUTOINCREMENT);
   1.514 +  }
   1.515 +} {1 {AUTOINCREMENT is only allowed on an INTEGER PRIMARY KEY}}
   1.516 +
   1.517 +
   1.518 +# Ticket #1283.  Make sure that preparing but never running a statement
   1.519 +# that creates the sqlite_sequence table does not mess up the database.
   1.520 +#
   1.521 +do_test autoinc-8.1 {
   1.522 +  catch {db2 close}
   1.523 +  catch {db close}
   1.524 +  file delete -force test.db
   1.525 +  sqlite3 db test.db
   1.526 +  set DB [sqlite3_connection_pointer db]
   1.527 +  set STMT [sqlite3_prepare $DB {
   1.528 +     CREATE TABLE t1(
   1.529 +       x INTEGER PRIMARY KEY AUTOINCREMENT
   1.530 +     )
   1.531 +  } -1 TAIL]
   1.532 +  sqlite3_finalize $STMT
   1.533 +  set STMT [sqlite3_prepare $DB {
   1.534 +     CREATE TABLE t1(
   1.535 +       x INTEGER PRIMARY KEY AUTOINCREMENT
   1.536 +     )
   1.537 +  } -1 TAIL]
   1.538 +  sqlite3_step $STMT
   1.539 +  sqlite3_finalize $STMT
   1.540 +  execsql {
   1.541 +    INSERT INTO t1 VALUES(NULL);
   1.542 +    SELECT * FROM t1;
   1.543 +  }
   1.544 +} {1}
   1.545 +
   1.546 +# Ticket #3148
   1.547 +# Make sure the sqlite_sequence table is not damaged when doing
   1.548 +# an empty insert - an INSERT INTO ... SELECT ... where the SELECT
   1.549 +# clause returns an empty set.
   1.550 +#
   1.551 +do_test autoinc-9.1 {
   1.552 +  db eval {
   1.553 +    CREATE TABLE t2(x INTEGER PRIMARY KEY AUTOINCREMENT, y);
   1.554 +    INSERT INTO t2 VALUES(NULL, 1);
   1.555 +    CREATE TABLE t3(a INTEGER PRIMARY KEY AUTOINCREMENT, b);
   1.556 +    INSERT INTO t3 SELECT * FROM t2 WHERE y>1;
   1.557 +
   1.558 +    SELECT * FROM sqlite_sequence WHERE name='t3';
   1.559 +  }
   1.560 +} {t3 0}
   1.561 +
   1.562 +
   1.563 +finish_test