os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/vtab1.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/vtab1.test	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,1165 @@
     1.4 +# 2006 June 10
     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 file is creating and dropping virtual tables.
    1.16 +#
    1.17 +# $Id: vtab1.test,v 1.57 2008/08/01 17:51:47 danielk1977 Exp $
    1.18 +
    1.19 +set testdir [file dirname $argv0]
    1.20 +source $testdir/tester.tcl
    1.21 +
    1.22 +ifcapable !vtab||!schema_pragmas {
    1.23 +  finish_test
    1.24 +  return
    1.25 +}
    1.26 +
    1.27 +#----------------------------------------------------------------------
    1.28 +# Organization of tests in this file:
    1.29 +#
    1.30 +# vtab1-1.*: Error conditions and other issues surrounding creation/connection
    1.31 +#            of a virtual module.
    1.32 +# vtab1-2.*: Test sqlite3_declare_vtab() and the xConnect/xDisconnect methods.
    1.33 +# vtab1-3.*: Table scans and WHERE clauses.
    1.34 +# vtab1-4.*: Table scans and ORDER BY clauses.
    1.35 +# vtab1-5.*: Test queries that include joins. This brings the
    1.36 +#            sqlite3_index_info.estimatedCost variable into play.
    1.37 +# vtab1-6.*: Test UPDATE/INSERT/DELETE on vtables.
    1.38 +# vtab1-7.*: Test sqlite3_last_insert_rowid().
    1.39 +#
    1.40 +# This file uses the "echo" module (see src/test8.c). Refer to comments
    1.41 +# in that file for the special behaviour of the Tcl $echo_module variable.
    1.42 +#
    1.43 +# TODO: 
    1.44 +#   * How to test the sqlite3_index_constraint_usage.omit field?
    1.45 +#   * vtab1-5.*
    1.46 +#
    1.47 +# vtab1-14.*: Test 'IN' constraints - i.e. "SELECT * FROM t1 WHERE id IN(...)"
    1.48 +#
    1.49 +
    1.50 +
    1.51 +#----------------------------------------------------------------------
    1.52 +# Test cases vtab1.1.*
    1.53 +#
    1.54 +
    1.55 +# We cannot create a virtual table if the module has not been registered.
    1.56 +#
    1.57 +do_test vtab1-1.1 {
    1.58 +  explain {
    1.59 +    CREATE VIRTUAL TABLE t1 USING echo;
    1.60 +  }
    1.61 +  catchsql {
    1.62 +    CREATE VIRTUAL TABLE t1 USING echo;
    1.63 +  }
    1.64 +} {1 {no such module: echo}}
    1.65 +do_test vtab1-1.2 {
    1.66 +  execsql {
    1.67 +    SELECT name FROM sqlite_master ORDER BY 1
    1.68 +  }
    1.69 +} {}
    1.70 +
    1.71 +# Register the module
    1.72 +register_echo_module [sqlite3_connection_pointer db]
    1.73 +
    1.74 +# Once a module has been registered, virtual tables using that module
    1.75 +# may be created. However if a module xCreate() fails to call
    1.76 +# sqlite3_declare_vtab() an error will be raised and the table not created.
    1.77 +#
    1.78 +# The "echo" module does not invoke sqlite3_declare_vtab() if it is
    1.79 +# passed zero arguments.
    1.80 +#
    1.81 +do_test vtab1-1.3 {
    1.82 +  catchsql {
    1.83 +    CREATE VIRTUAL TABLE t1 USING echo;
    1.84 +  }
    1.85 +} {1 {vtable constructor did not declare schema: t1}}
    1.86 +do_test vtab1-1.4 {
    1.87 +  execsql {
    1.88 +    SELECT name FROM sqlite_master ORDER BY 1
    1.89 +  }
    1.90 +} {}
    1.91 +
    1.92 +# The "echo" module xCreate method returns an error and does not create
    1.93 +# the virtual table if it is passed an argument that does not correspond
    1.94 +# to an existing real table in the same database.
    1.95 +#
    1.96 +do_test vtab1-1.5 {
    1.97 +  catchsql {
    1.98 +    CREATE VIRTUAL TABLE t1 USING echo(no_such_table);
    1.99 +  }
   1.100 +} {1 {vtable constructor failed: t1}}
   1.101 +do_test vtab1-1.6 {
   1.102 +  execsql {
   1.103 +    SELECT name FROM sqlite_master ORDER BY 1
   1.104 +  }
   1.105 +} {}
   1.106 +
   1.107 +# Ticket #2156.  Using the sqlite3_prepare_v2() API, make sure that
   1.108 +# a CREATE VIRTUAL TABLE statement can be used multiple times.
   1.109 +#
   1.110 +do_test vtab1-1.2152.1 {
   1.111 +  set DB [sqlite3_connection_pointer db]
   1.112 +  set sql {CREATE VIRTUAL TABLE t2152a USING echo(t2152b)}
   1.113 +  set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
   1.114 +  sqlite3_step $STMT
   1.115 +} SQLITE_ERROR
   1.116 +do_test vtab-1.2152.2 {
   1.117 +  sqlite3_reset $STMT
   1.118 +  sqlite3_step $STMT
   1.119 +} SQLITE_ERROR
   1.120 +do_test vtab-1.2152.3 {
   1.121 +  sqlite3_reset $STMT
   1.122 +  db eval {CREATE TABLE t2152b(x,y)}
   1.123 +  sqlite3_step $STMT
   1.124 +} SQLITE_DONE
   1.125 +do_test vtab-1.2152.4 {
   1.126 +  sqlite3_finalize $STMT
   1.127 +  db eval {DROP TABLE t2152a; DROP TABLE t2152b}
   1.128 +} {}
   1.129 +
   1.130 +# Test to make sure nothing goes wrong and no memory is leaked if we 
   1.131 +# select an illegal table-name (i.e a reserved name or the name of a
   1.132 +# table that already exists).
   1.133 +#
   1.134 +do_test vtab1-1.7 {
   1.135 +  catchsql {
   1.136 +    CREATE VIRTUAL TABLE sqlite_master USING echo;
   1.137 +  }
   1.138 +} {1 {object name reserved for internal use: sqlite_master}}
   1.139 +do_test vtab1-1.8 {
   1.140 +  catchsql {
   1.141 +    CREATE TABLE treal(a, b, c);
   1.142 +    CREATE VIRTUAL TABLE treal USING echo(treal);
   1.143 +  }
   1.144 +} {1 {table treal already exists}}
   1.145 +do_test vtab1-1.9 {
   1.146 +  execsql {
   1.147 +    DROP TABLE treal;
   1.148 +    SELECT name FROM sqlite_master ORDER BY 1
   1.149 +  }
   1.150 +} {}
   1.151 +
   1.152 +do_test vtab1-1.10 {
   1.153 +  execsql {
   1.154 +    CREATE TABLE treal(a, b, c);
   1.155 +    CREATE VIRTUAL TABLE techo USING echo(treal);
   1.156 +  }
   1.157 +  db close
   1.158 +  sqlite3 db test.db
   1.159 +  catchsql {
   1.160 +    SELECT * FROM techo;
   1.161 +  }
   1.162 +} {1 {no such module: echo}}
   1.163 +do_test vtab1-1.11 {
   1.164 +  catchsql {
   1.165 +    INSERT INTO techo VALUES(1, 2, 3);
   1.166 +  }
   1.167 +} {1 {no such module: echo}}
   1.168 +do_test vtab1-1.12 {
   1.169 +  catchsql {
   1.170 +    UPDATE techo SET a = 10;
   1.171 +  }
   1.172 +} {1 {no such module: echo}}
   1.173 +do_test vtab1-1.13 {
   1.174 +  catchsql {
   1.175 +    DELETE FROM techo;
   1.176 +  }
   1.177 +} {1 {no such module: echo}}
   1.178 +do_test vtab1-1.14 {
   1.179 +  catchsql {
   1.180 +    PRAGMA table_info(techo)
   1.181 +  }
   1.182 +} {1 {no such module: echo}}
   1.183 +do_test vtab1-1.15 {
   1.184 +  catchsql {
   1.185 +    DROP TABLE techo;
   1.186 +  }
   1.187 +} {1 {no such module: echo}}
   1.188 +
   1.189 +register_echo_module [sqlite3_connection_pointer db]
   1.190 +register_echo_module [sqlite3_connection_pointer db]
   1.191 +
   1.192 +# Test an error message returned from a v-table constructor.
   1.193 +#
   1.194 +do_test vtab1-1.16 {
   1.195 +  execsql {
   1.196 +    DROP TABLE techo;
   1.197 +    CREATE TABLE logmsg(log);
   1.198 +  }
   1.199 +  catchsql {
   1.200 +    CREATE VIRTUAL TABLE techo USING echo(treal, logmsg);
   1.201 +  }
   1.202 +} {1 {table 'logmsg' already exists}}
   1.203 +
   1.204 +do_test vtab1-1.17 {
   1.205 +  execsql {
   1.206 +    DROP TABLE treal;
   1.207 +    DROP TABLE logmsg;
   1.208 +    SELECT sql FROM sqlite_master;
   1.209 +  }
   1.210 +} {}
   1.211 +
   1.212 +#----------------------------------------------------------------------
   1.213 +# Test cases vtab1.2.*
   1.214 +#
   1.215 +# At this point, the database is completely empty. The echo module
   1.216 +# has already been registered.
   1.217 +
   1.218 +# If a single argument is passed to the echo module during table
   1.219 +# creation, it is assumed to be the name of a table in the same
   1.220 +# database. The echo module attempts to set the schema of the
   1.221 +# new virtual table to be the same as the existing database table.
   1.222 +#
   1.223 +do_test vtab1-2.1 {
   1.224 +  execsql {
   1.225 +    CREATE TABLE template(a, b, c);
   1.226 +  }
   1.227 +  execsql { PRAGMA table_info(template); }
   1.228 +} [list         \
   1.229 +  0 a {} 0 {} 0 \
   1.230 +  1 b {} 0 {} 0 \
   1.231 +  2 c {} 0 {} 0 \
   1.232 +]
   1.233 +do_test vtab1-2.2 {
   1.234 +  execsql {
   1.235 +    CREATE VIRTUAL TABLE t1 USING echo(template);
   1.236 +  }
   1.237 +  execsql { PRAGMA table_info(t1); }
   1.238 +} [list         \
   1.239 +  0 a {} 0 {} 0 \
   1.240 +  1 b {} 0 {} 0 \
   1.241 +  2 c {} 0 {} 0 \
   1.242 +]
   1.243 +
   1.244 +# Test that the database can be unloaded. This should invoke the xDisconnect()
   1.245 +# callback for the successfully create virtual table (t1).
   1.246 +#
   1.247 +do_test vtab1-2.3 {
   1.248 +  set echo_module [list]
   1.249 +  db close
   1.250 +  set echo_module
   1.251 +} [list xDisconnect]
   1.252 +
   1.253 +# Re-open the database. This should not cause any virtual methods to 
   1.254 +# be called. The invocation of xConnect() is delayed until the virtual
   1.255 +# table schema is first required by the compiler.
   1.256 +#
   1.257 +do_test vtab1-2.4 {
   1.258 +  set echo_module [list]
   1.259 +  sqlite3 db test.db
   1.260 +  db cache size 0
   1.261 +  set echo_module
   1.262 +} {}
   1.263 +
   1.264 +# Try to query the virtual table schema. This should fail, as the
   1.265 +# echo module has not been registered with this database connection.
   1.266 +#
   1.267 +do_test vtab1.2.6 {
   1.268 +  catchsql { PRAGMA table_info(t1); }
   1.269 +} {1 {no such module: echo}}
   1.270 +
   1.271 +# Register the module
   1.272 +register_echo_module [sqlite3_connection_pointer db]
   1.273 +
   1.274 +# Try to query the virtual table schema again. This time it should
   1.275 +# invoke the xConnect method and succeed.
   1.276 +#
   1.277 +do_test vtab1.2.7 {
   1.278 +  execsql { PRAGMA table_info(t1); }
   1.279 +} [list         \
   1.280 +  0 a {} 0 {} 0 \
   1.281 +  1 b {} 0 {} 0 \
   1.282 +  2 c {} 0 {} 0 \
   1.283 +]
   1.284 +do_test vtab1.2.8 {
   1.285 +  set echo_module
   1.286 +} {xConnect echo main t1 template}
   1.287 +
   1.288 +# Drop table t1. This should cause the xDestroy (but not xDisconnect) method 
   1.289 +# to be invoked.
   1.290 +do_test vtab1-2.5 {
   1.291 +  set echo_module ""
   1.292 +  execsql {
   1.293 +    DROP TABLE t1;
   1.294 +  }
   1.295 +  set echo_module
   1.296 +} {xDestroy}
   1.297 +
   1.298 +do_test vtab1-2.6 {
   1.299 +  execsql { 
   1.300 +    PRAGMA table_info(t1); 
   1.301 +  }
   1.302 +} {}
   1.303 +do_test vtab1-2.7 {
   1.304 +  execsql {
   1.305 +    SELECT sql FROM sqlite_master;
   1.306 +  }
   1.307 +} [list {CREATE TABLE template(a, b, c)}]
   1.308 +# Clean up other test artifacts:
   1.309 +do_test vtab1-2.8 {
   1.310 +  execsql { 
   1.311 +    DROP TABLE template;
   1.312 +    SELECT sql FROM sqlite_master;
   1.313 +  }
   1.314 +} [list]
   1.315 +
   1.316 +#----------------------------------------------------------------------
   1.317 +# Test case vtab1-3 test table scans and the echo module's 
   1.318 +# xBestIndex/xFilter handling of WHERE conditions.
   1.319 +
   1.320 +do_test vtab1-3.1 {
   1.321 +  set echo_module ""
   1.322 +  execsql {
   1.323 +    CREATE TABLE treal(a INTEGER, b INTEGER, c); 
   1.324 +    CREATE INDEX treal_idx ON treal(b);
   1.325 +    CREATE VIRTUAL TABLE t1 USING echo(treal);
   1.326 +  }
   1.327 +  set echo_module
   1.328 +} [list xCreate echo main t1 treal   \
   1.329 +        xSync   echo(treal)  \
   1.330 +        xCommit echo(treal)  \
   1.331 +]
   1.332 +
   1.333 +# Test that a SELECT on t1 doesn't crash. No rows are returned
   1.334 +# because the underlying real table is currently empty.
   1.335 +#
   1.336 +do_test vtab1-3.2 {
   1.337 +  execsql {
   1.338 +    SELECT a, b, c FROM t1;
   1.339 +  }
   1.340 +} {}
   1.341 +
   1.342 +# Put some data into the table treal. Then try a few simple SELECT 
   1.343 +# statements on t1.
   1.344 +#
   1.345 +do_test vtab1-3.3 {
   1.346 +  execsql {
   1.347 +    INSERT INTO treal VALUES(1, 2, 3);
   1.348 +    INSERT INTO treal VALUES(4, 5, 6);
   1.349 +    SELECT * FROM t1;
   1.350 +  }
   1.351 +} {1 2 3 4 5 6}
   1.352 +do_test vtab1-3.4 {
   1.353 +  execsql {
   1.354 +    SELECT a FROM t1;
   1.355 +  }
   1.356 +} {1 4}
   1.357 +do_test vtab1-3.5 {
   1.358 +  execsql {
   1.359 +    SELECT rowid FROM t1;
   1.360 +  }
   1.361 +} {1 2}
   1.362 +do_test vtab1-3.6 {
   1.363 +  set echo_module ""
   1.364 +  execsql {
   1.365 +    SELECT * FROM t1;
   1.366 +  }
   1.367 +} {1 2 3 4 5 6}
   1.368 +do_test vtab1-3.7 {
   1.369 +  execsql {
   1.370 +    SELECT rowid, * FROM t1;
   1.371 +  }
   1.372 +} {1 1 2 3 2 4 5 6}
   1.373 +do_test vtab1-3.8 {
   1.374 +  execsql {
   1.375 +    SELECT a AS d, b AS e, c AS f FROM t1;
   1.376 +  }
   1.377 +} {1 2 3 4 5 6}
   1.378 +
   1.379 +# Execute some SELECT statements with WHERE clauses on the t1 table.
   1.380 +# Then check the echo_module variable (written to by the module methods
   1.381 +# in test8.c) to make sure the xBestIndex() and xFilter() methods were
   1.382 +# called correctly.
   1.383 +#
   1.384 +do_test vtab1-3.8 {
   1.385 +  set echo_module ""
   1.386 +  execsql {
   1.387 +    SELECT * FROM t1;
   1.388 +  }
   1.389 +  set echo_module
   1.390 +} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
   1.391 +        xFilter    {SELECT rowid, * FROM 'treal'} ]
   1.392 +do_test vtab1-3.9 {
   1.393 +  set echo_module ""
   1.394 +  execsql {
   1.395 +    SELECT * FROM t1 WHERE b = 5;
   1.396 +  }
   1.397 +} {4 5 6}
   1.398 +do_test vtab1-3.10 {
   1.399 +  set echo_module
   1.400 +} [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b = ?}   \
   1.401 +        xFilter    {SELECT rowid, * FROM 'treal' WHERE b = ?} 5 ]
   1.402 +do_test vtab1-3.10 {
   1.403 +  set echo_module ""
   1.404 +  execsql {
   1.405 +    SELECT * FROM t1 WHERE b >= 5 AND b <= 10;
   1.406 +  }
   1.407 +} {4 5 6}
   1.408 +do_test vtab1-3.11 {
   1.409 +  set echo_module
   1.410 +} [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?}      \
   1.411 +        xFilter    {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 5 10 ]
   1.412 +do_test vtab1-3.12 {
   1.413 +  set echo_module ""
   1.414 +  execsql {
   1.415 +    SELECT * FROM t1 WHERE b BETWEEN 2 AND 10;
   1.416 +  }
   1.417 +} {1 2 3 4 5 6}
   1.418 +do_test vtab1-3.13 {
   1.419 +  set echo_module
   1.420 +} [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?}      \
   1.421 +        xFilter    {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 2 10 ]
   1.422 +
   1.423 +# Add a function for the MATCH operator. Everything always matches!
   1.424 +#proc test_match {lhs rhs} {
   1.425 +#  lappend ::echo_module MATCH $lhs $rhs
   1.426 +#  return 1
   1.427 +#}
   1.428 +#db function match test_match
   1.429 +
   1.430 +set echo_module ""
   1.431 +do_test vtab1-3.12 {
   1.432 +  set echo_module ""
   1.433 +  catchsql {
   1.434 +    SELECT * FROM t1 WHERE a MATCH 'string';
   1.435 +  }
   1.436 +} {1 {unable to use function MATCH in the requested context}}
   1.437 +do_test vtab1-3.13 {
   1.438 +  set echo_module
   1.439 +} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
   1.440 +        xFilter    {SELECT rowid, * FROM 'treal'}]
   1.441 +ifcapable subquery {
   1.442 +# The echo module uses a subquery internally to implement the MATCH operator.
   1.443 +do_test vtab1-3.14 {
   1.444 +  set echo_module ""
   1.445 +  execsql {
   1.446 +    SELECT * FROM t1 WHERE b MATCH 'string';
   1.447 +  }
   1.448 +} {}
   1.449 +do_test vtab1-3.15 {
   1.450 +  set echo_module
   1.451 +} [list xBestIndex \
   1.452 +        {SELECT rowid, * FROM 'treal' WHERE b LIKE (SELECT '%'||?||'%')}  \
   1.453 +        xFilter \
   1.454 +        {SELECT rowid, * FROM 'treal' WHERE b LIKE (SELECT '%'||?||'%')} \
   1.455 +        string ]
   1.456 +}; #ifcapable subquery
   1.457 +
   1.458 +#----------------------------------------------------------------------
   1.459 +# Test case vtab1-3 test table scans and the echo module's 
   1.460 +# xBestIndex/xFilter handling of ORDER BY clauses.
   1.461 +
   1.462 +# This procedure executes the SQL.  Then it checks to see if the OP_Sort
   1.463 +# opcode was executed.  If an OP_Sort did occur, then "sort" is appended
   1.464 +# to the result.  If no OP_Sort happened, then "nosort" is appended.
   1.465 +#
   1.466 +# This procedure is used to check to make sure sorting is or is not
   1.467 +# occurring as expected.
   1.468 +#
   1.469 +proc cksort {sql} {
   1.470 +  set ::sqlite_sort_count 0
   1.471 +  set data [execsql $sql]
   1.472 +  if {$::sqlite_sort_count} {set x sort} {set x nosort}
   1.473 +  lappend data $x
   1.474 +  return $data
   1.475 +}
   1.476 +
   1.477 +do_test vtab1-4.1 {
   1.478 +  set echo_module ""
   1.479 +  cksort {
   1.480 +    SELECT b FROM t1 ORDER BY b;
   1.481 +  }
   1.482 +} {2 5 nosort}
   1.483 +do_test vtab1-4.2 {
   1.484 +  set echo_module
   1.485 +} [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b ASC} \
   1.486 +        xFilter    {SELECT rowid, * FROM 'treal' ORDER BY b ASC} ]
   1.487 +do_test vtab1-4.3 {
   1.488 +  set echo_module ""
   1.489 +  cksort {
   1.490 +    SELECT b FROM t1 ORDER BY b DESC;
   1.491 +  }
   1.492 +} {5 2 nosort}
   1.493 +do_test vtab1-4.4 {
   1.494 +  set echo_module
   1.495 +} [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b DESC} \
   1.496 +        xFilter    {SELECT rowid, * FROM 'treal' ORDER BY b DESC} ]
   1.497 +do_test vtab1-4.3 {
   1.498 +  set echo_module ""
   1.499 +  cksort {
   1.500 +    SELECT b FROM t1 ORDER BY b||'';
   1.501 +  }
   1.502 +} {2 5 sort}
   1.503 +do_test vtab1-4.4 {
   1.504 +  set echo_module
   1.505 +} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
   1.506 +        xFilter    {SELECT rowid, * FROM 'treal'} ]
   1.507 +
   1.508 +execsql {
   1.509 +  DROP TABLE t1;
   1.510 +  DROP TABLE treal;
   1.511 +}
   1.512 +
   1.513 +#----------------------------------------------------------------------
   1.514 +# Test cases vtab1-5 test SELECT queries that include joins on virtual 
   1.515 +# tables.
   1.516 +
   1.517 +proc filter {log} {
   1.518 +  set out [list]
   1.519 +  for {set ii 0} {$ii < [llength $log]} {incr ii} {
   1.520 +    if {[lindex $log $ii] eq "xFilter"} {
   1.521 +      lappend out xFilter
   1.522 +      lappend out [lindex $log [expr $ii+1]]
   1.523 +    }
   1.524 +  }
   1.525 +  return $out
   1.526 +}
   1.527 +
   1.528 +do_test vtab1-5-1 {
   1.529 +  execsql { 
   1.530 +    CREATE TABLE t1(a, b, c);
   1.531 +    CREATE TABLE t2(d, e, f);
   1.532 +    INSERT INTO t1 VALUES(1, 'red', 'green');
   1.533 +    INSERT INTO t1 VALUES(2, 'blue', 'black');
   1.534 +    INSERT INTO t2 VALUES(1, 'spades', 'clubs');
   1.535 +    INSERT INTO t2 VALUES(2, 'hearts', 'diamonds');
   1.536 +    CREATE VIRTUAL TABLE et1 USING echo(t1);
   1.537 +    CREATE VIRTUAL TABLE et2 USING echo(t2);
   1.538 +  }
   1.539 +} {}
   1.540 +
   1.541 +do_test vtab1-5-2 {
   1.542 +  set echo_module ""
   1.543 +  execsql {
   1.544 +    SELECT * FROM et1, et2;
   1.545 +  }
   1.546 +} [list \
   1.547 +  1 red green 1 spades clubs     \
   1.548 +  1 red green 2 hearts diamonds  \
   1.549 +  2 blue black 1 spades clubs    \
   1.550 +  2 blue black 2 hearts diamonds \
   1.551 +]
   1.552 +do_test vtab1-5-3 {
   1.553 +  filter $echo_module
   1.554 +} [list \
   1.555 +  xFilter {SELECT rowid, * FROM 't1'} \
   1.556 +  xFilter {SELECT rowid, * FROM 't2'} \
   1.557 +  xFilter {SELECT rowid, * FROM 't2'} \
   1.558 +]
   1.559 +do_test vtab1-5-4 {
   1.560 +  set echo_module ""
   1.561 +  execsql {
   1.562 +    SELECT * FROM et1, et2 WHERE et2.d = 2;
   1.563 +  }
   1.564 +} [list \
   1.565 +  1 red green 2 hearts diamonds  \
   1.566 +  2 blue black 2 hearts diamonds \
   1.567 +]
   1.568 +do_test vtab1-5-5 {
   1.569 +  filter $echo_module
   1.570 +} [list \
   1.571 +  xFilter {SELECT rowid, * FROM 't1'} \
   1.572 +  xFilter {SELECT rowid, * FROM 't2'} \
   1.573 +  xFilter {SELECT rowid, * FROM 't2'} \
   1.574 +]
   1.575 +do_test vtab1-5-6 {
   1.576 +  execsql {
   1.577 +    CREATE INDEX i1 ON t2(d);
   1.578 +  }
   1.579 +
   1.580 +  db close
   1.581 +  sqlite3 db test.db
   1.582 +  register_echo_module [sqlite3_connection_pointer db]
   1.583 +
   1.584 +  set ::echo_module ""
   1.585 +  execsql {
   1.586 +    SELECT * FROM et1, et2 WHERE et2.d = 2;
   1.587 +  }
   1.588 +} [list \
   1.589 +  1 red green 2 hearts diamonds  \
   1.590 +  2 blue black 2 hearts diamonds \
   1.591 +]
   1.592 +do_test vtab1-5-7 {
   1.593 +  filter $::echo_module
   1.594 +} [list \
   1.595 +  xFilter {SELECT rowid, * FROM 't2' WHERE d = ?} \
   1.596 +  xFilter {SELECT rowid, * FROM 't1'}             \
   1.597 +]
   1.598 +
   1.599 +execsql {
   1.600 +  DROP TABLE t1;
   1.601 +  DROP TABLE t2;
   1.602 +  DROP TABLE et1;
   1.603 +  DROP TABLE et2;
   1.604 +}
   1.605 +
   1.606 +#----------------------------------------------------------------------
   1.607 +# Test cases vtab1-6 test INSERT, UPDATE and DELETE operations 
   1.608 +# on virtual tables.
   1.609 +do_test vtab1-6-1 {
   1.610 +  execsql { SELECT sql FROM sqlite_master }
   1.611 +} {}
   1.612 +do_test vtab1-6-2 {
   1.613 +  execsql {
   1.614 +    CREATE TABLE treal(a PRIMARY KEY, b, c);
   1.615 +    CREATE VIRTUAL TABLE techo USING echo(treal);
   1.616 +    SELECT name FROM sqlite_master WHERE type = 'table';
   1.617 +  }
   1.618 +} {treal techo}
   1.619 +do_test vtab1-6-3.1.1 {
   1.620 +  execsql {
   1.621 +    PRAGMA count_changes=ON;
   1.622 +    INSERT INTO techo VALUES(1, 2, 3);
   1.623 +  }
   1.624 +} {1}
   1.625 +do_test vtab1-6-3.1.2 {
   1.626 +  db changes
   1.627 +} {1}
   1.628 +do_test vtab1-6-3.2 {
   1.629 +  execsql {
   1.630 +    SELECT * FROM techo;
   1.631 +  }
   1.632 +} {1 2 3}
   1.633 +do_test vtab1-6-4.1 {
   1.634 +  execsql {
   1.635 +    UPDATE techo SET a = 5;
   1.636 +  }
   1.637 +  db changes
   1.638 +} {1}
   1.639 +do_test vtab1-6-4.2 {
   1.640 +  execsql {
   1.641 +    SELECT * FROM techo;
   1.642 +  }
   1.643 +} {5 2 3}
   1.644 +do_test vtab1-6-4.3 {
   1.645 +  execsql {
   1.646 +    UPDATE techo SET a=6 WHERE a<0;
   1.647 +  }
   1.648 +  db changes
   1.649 +} {0}
   1.650 +do_test vtab1-6-4.4 {
   1.651 +  execsql {
   1.652 +    SELECT * FROM techo;
   1.653 +  }
   1.654 +} {5 2 3}
   1.655 +
   1.656 +do_test vtab1-6-5.1 {
   1.657 + execsql {
   1.658 +   UPDATE techo set a = a||b||c;
   1.659 + }
   1.660 + db changes
   1.661 +} {1}
   1.662 +do_test vtab1-6-5.2 {
   1.663 + execsql {
   1.664 +   SELECT * FROM techo;
   1.665 + }
   1.666 +} {523 2 3}
   1.667 +
   1.668 +do_test vtab1-6-6.1 {
   1.669 +  execsql {
   1.670 +    UPDATE techo set rowid = 10;
   1.671 +  }
   1.672 +  db changes
   1.673 +} {1}
   1.674 +do_test vtab1-6-6.2 {
   1.675 +  execsql {
   1.676 +    SELECT rowid FROM techo;
   1.677 +  }
   1.678 +} {10}
   1.679 +
   1.680 +do_test vtab1-6-7.1.1 {
   1.681 +  execsql {
   1.682 +    INSERT INTO techo VALUES(11,12,13);
   1.683 +  }
   1.684 +} {1}
   1.685 +do_test vtab1-6-7.1.2 {
   1.686 +  db changes
   1.687 +} {1}
   1.688 +do_test vtab1-6-7.2 {
   1.689 +  execsql {
   1.690 +    SELECT * FROM techo ORDER BY a;
   1.691 +  }
   1.692 +} {11 12 13 523 2 3}
   1.693 +do_test vtab1-6-7.3 {
   1.694 +  execsql {
   1.695 +    UPDATE techo SET b=b+1000
   1.696 +  }
   1.697 +  db changes
   1.698 +} {2}
   1.699 +do_test vtab1-6-7.4 {
   1.700 +  execsql {
   1.701 +    SELECT * FROM techo ORDER BY a;
   1.702 +  }
   1.703 +} {11 1012 13 523 1002 3}
   1.704 +
   1.705 +
   1.706 +do_test vtab1-6-8.1 {
   1.707 +  execsql {
   1.708 +    DELETE FROM techo WHERE a=5;
   1.709 +  }
   1.710 +  db changes
   1.711 +} {0}
   1.712 +do_test vtab1-6-8.2 {
   1.713 +  execsql {
   1.714 +    SELECT * FROM techo ORDER BY a;
   1.715 +  }
   1.716 +} {11 1012 13 523 1002 3}
   1.717 +do_test vtab1-6-8.3 {
   1.718 +  execsql {
   1.719 +    DELETE FROM techo;
   1.720 +  }
   1.721 +  db changes
   1.722 +} {2}
   1.723 +do_test vtab1-6-8.4 {
   1.724 +  execsql {
   1.725 +    SELECT * FROM techo ORDER BY a;
   1.726 +  }
   1.727 +} {}
   1.728 +execsql {PRAGMA count_changes=OFF}
   1.729 +
   1.730 +file delete -force test2.db
   1.731 +file delete -force test2.db-journal
   1.732 +sqlite3 db2 test2.db
   1.733 +execsql {
   1.734 +  CREATE TABLE techo(a PRIMARY KEY, b, c);
   1.735 +} db2
   1.736 +proc check_echo_table {tn} {
   1.737 +  set ::data1 [execsql {SELECT rowid, * FROM techo}]
   1.738 +  set ::data2 [execsql {SELECT rowid, * FROM techo} db2]
   1.739 +  do_test $tn {
   1.740 +    string equal $::data1 $::data2
   1.741 +  } 1
   1.742 +}
   1.743 +set tn 0
   1.744 +foreach stmt [list \
   1.745 +  {INSERT INTO techo VALUES('abc', 'def', 'ghi')}                        \
   1.746 +  {INSERT INTO techo SELECT a||'.'||rowid, b, c FROM techo}              \
   1.747 +  {INSERT INTO techo SELECT a||'x'||rowid, b, c FROM techo}              \
   1.748 +  {INSERT INTO techo SELECT a||'y'||rowid, b, c FROM techo}              \
   1.749 +  {DELETE FROM techo WHERE (oid % 3) = 0}                                \
   1.750 +  {UPDATE techo set rowid = 100 WHERE rowid = 1}                         \
   1.751 +  {INSERT INTO techo(a, b) VALUES('hello', 'world')}                     \
   1.752 +  {DELETE FROM techo}                                                    \
   1.753 +] {
   1.754 +  execsql $stmt
   1.755 +  execsql $stmt db2
   1.756 +  check_echo_table vtab1-6.8.[incr tn]
   1.757 +}
   1.758 +
   1.759 +db2 close
   1.760 +
   1.761 +
   1.762 +
   1.763 +#----------------------------------------------------------------------
   1.764 +# Test cases vtab1-7 tests that the value returned by 
   1.765 +# sqlite3_last_insert_rowid() is set correctly when rows are inserted
   1.766 +# into virtual tables.
   1.767 +do_test vtab1.7-1 {
   1.768 +  execsql {
   1.769 +    CREATE TABLE real_abc(a PRIMARY KEY, b, c);
   1.770 +    CREATE VIRTUAL TABLE echo_abc USING echo(real_abc);
   1.771 +  }
   1.772 +} {}
   1.773 +do_test vtab1.7-2 {
   1.774 +  execsql {
   1.775 +    INSERT INTO echo_abc VALUES(1, 2, 3);
   1.776 +    SELECT last_insert_rowid();
   1.777 +  }
   1.778 +} {1}
   1.779 +do_test vtab1.7-3 {
   1.780 +  execsql {
   1.781 +    INSERT INTO echo_abc(rowid) VALUES(31427);
   1.782 +    SELECT last_insert_rowid();
   1.783 +  }
   1.784 +} {31427}
   1.785 +do_test vtab1.7-4 {
   1.786 +  execsql {
   1.787 +    INSERT INTO echo_abc SELECT a||'.v2', b, c FROM echo_abc;
   1.788 +    SELECT last_insert_rowid();
   1.789 +  }
   1.790 +} {31429}
   1.791 +do_test vtab1.7-5 {
   1.792 +  execsql {
   1.793 +    SELECT rowid, a, b, c FROM echo_abc
   1.794 +  }
   1.795 +} [list 1     1    2  3  \
   1.796 +        31427 {}   {} {} \
   1.797 +        31428 1.v2 2  3  \
   1.798 +        31429 {}  {} {}  \
   1.799 +]
   1.800 +
   1.801 +# Now test that DELETE and UPDATE operations do not modify the value.
   1.802 +do_test vtab1.7-6 {
   1.803 +  execsql {
   1.804 +    UPDATE echo_abc SET c = 5 WHERE b = 2;
   1.805 +    SELECT last_insert_rowid();
   1.806 +  }
   1.807 +} {31429}
   1.808 +do_test vtab1.7-7 {
   1.809 +  execsql {
   1.810 +    UPDATE echo_abc SET rowid = 5 WHERE rowid = 1;
   1.811 +    SELECT last_insert_rowid();
   1.812 +  }
   1.813 +} {31429}
   1.814 +do_test vtab1.7-8 {
   1.815 +  execsql {
   1.816 +    DELETE FROM echo_abc WHERE b = 2;
   1.817 +    SELECT last_insert_rowid();
   1.818 +  }
   1.819 +} {31429}
   1.820 +do_test vtab1.7-9 {
   1.821 +  execsql {
   1.822 +    SELECT rowid, a, b, c FROM echo_abc
   1.823 +  }
   1.824 +} [list 31427 {} {} {} \
   1.825 +        31429 {} {} {} \
   1.826 +]
   1.827 +do_test vtab1.7-10 {
   1.828 +  execsql {
   1.829 +    DELETE FROM echo_abc WHERE b = 2;
   1.830 +    SELECT last_insert_rowid();
   1.831 +  }
   1.832 +} {31429}
   1.833 +do_test vtab1.7-11 {
   1.834 +  execsql {
   1.835 +    SELECT rowid, a, b, c FROM real_abc
   1.836 +  }
   1.837 +} [list 31427 {} {} {} \
   1.838 +        31429 {} {} {} \
   1.839 +]
   1.840 +do_test vtab1.7-12 {
   1.841 +  execsql {
   1.842 +    DELETE FROM echo_abc;
   1.843 +    SELECT last_insert_rowid();
   1.844 +  }
   1.845 +} {31429}
   1.846 +do_test vtab1.7-13 {
   1.847 +  execsql {
   1.848 +    SELECT rowid, a, b, c FROM real_abc
   1.849 +  }
   1.850 +} {}
   1.851 +
   1.852 +ifcapable attach {
   1.853 +  do_test vtab1.8-1 {
   1.854 +    set echo_module ""
   1.855 +    execsql {
   1.856 +      ATTACH 'test2.db' AS aux;
   1.857 +      CREATE VIRTUAL TABLE aux.e2 USING echo(real_abc);
   1.858 +    }
   1.859 +    set echo_module
   1.860 +  } [list xCreate echo aux e2 real_abc   \
   1.861 +          xSync   echo(real_abc)         \
   1.862 +          xCommit echo(real_abc)         \
   1.863 +  ]
   1.864 +}
   1.865 +do_test vtab1.8-2 {
   1.866 +  catchsql {
   1.867 +    DROP TABLE aux.e2;
   1.868 +  }
   1.869 +  execsql {
   1.870 +    DROP TABLE treal;
   1.871 +    DROP TABLE techo;
   1.872 +    DROP TABLE echo_abc;
   1.873 +    DROP TABLE real_abc;
   1.874 +  }
   1.875 +} {}
   1.876 +
   1.877 +do_test vtab1.9-1 {
   1.878 +  set echo_module ""
   1.879 +  execsql {
   1.880 +    CREATE TABLE r(a, b, c);
   1.881 +    CREATE VIRTUAL TABLE e USING echo(r, e_log);
   1.882 +    SELECT name FROM sqlite_master;
   1.883 +  }
   1.884 +} {r e e_log}
   1.885 +do_test vtab1.9-2 {
   1.886 +  execsql {
   1.887 +    DROP TABLE e;
   1.888 +    SELECT name FROM sqlite_master;
   1.889 +  }
   1.890 +} {r}
   1.891 +
   1.892 +do_test vtab1.9-3 {
   1.893 +  set echo_module ""
   1.894 +  execsql {
   1.895 +    CREATE VIRTUAL TABLE e USING echo(r, e_log, virtual 1 2 3 varchar(32));
   1.896 +  }
   1.897 +  set echo_module
   1.898 +} [list                                                        \
   1.899 +  xCreate echo main e r e_log {virtual 1 2 3 varchar(32)}      \
   1.900 +  xSync echo(r)                                                \
   1.901 +  xCommit echo(r)                                              \
   1.902 +]
   1.903 +
   1.904 +do_test vtab1.10-1 {
   1.905 +  execsql {
   1.906 +    CREATE TABLE del(d);
   1.907 +    CREATE VIRTUAL TABLE e2 USING echo(del);
   1.908 +  }
   1.909 +  db close
   1.910 +  sqlite3 db test.db
   1.911 +  register_echo_module [sqlite3_connection_pointer db]
   1.912 +  execsql {
   1.913 +    DROP TABLE del;
   1.914 +  }
   1.915 +  catchsql {
   1.916 +    SELECT * FROM e2;
   1.917 +  }
   1.918 +} {1 {vtable constructor failed: e2}}
   1.919 +do_test vtab1.10-2 {
   1.920 +  set rc [catch {
   1.921 +    set ptr [sqlite3_connection_pointer db]
   1.922 +    sqlite3_declare_vtab $ptr {CREATE TABLE abc(a, b, c)}
   1.923 +  } msg]
   1.924 +  list $rc $msg
   1.925 +} {1 {library routine called out of sequence}}
   1.926 +do_test vtab1.10-3 {
   1.927 +  set ::echo_module_begin_fail r
   1.928 +  catchsql {
   1.929 +    INSERT INTO e VALUES(1, 2, 3);
   1.930 +  }
   1.931 +} {1 {SQL logic error or missing database}}
   1.932 +do_test vtab1.10-4 {
   1.933 +  catch {execsql {
   1.934 +    EXPLAIN SELECT * FROM e WHERE rowid = 2;
   1.935 +    EXPLAIN QUERY PLAN SELECT * FROM e WHERE rowid = 2 ORDER BY rowid;
   1.936 +  }}
   1.937 +} {0}
   1.938 +
   1.939 +do_test vtab1.10-5 {
   1.940 +  set echo_module ""
   1.941 +  execsql {
   1.942 +    SELECT * FROM e WHERE rowid||'' MATCH 'pattern';
   1.943 +  }
   1.944 +  set echo_module
   1.945 +} [list \
   1.946 +  xBestIndex {SELECT rowid, * FROM 'r'} \
   1.947 +  xFilter {SELECT rowid, * FROM 'r'}    \
   1.948 +]
   1.949 +proc match_func {args} {return ""}
   1.950 +do_test vtab1.10-6 {
   1.951 +  set echo_module ""
   1.952 +  db function match match_func
   1.953 +  execsql {
   1.954 +    SELECT * FROM e WHERE match('pattern', rowid, 'pattern2');
   1.955 +  }
   1.956 +  set echo_module
   1.957 +} [list \
   1.958 +  xBestIndex {SELECT rowid, * FROM 'r'} \
   1.959 +  xFilter {SELECT rowid, * FROM 'r'}    \
   1.960 +]
   1.961 +
   1.962 +
   1.963 +# Testing the xFindFunction interface
   1.964 +#
   1.965 +catch {rename ::echo_glob_overload {}}
   1.966 +do_test vtab1.11-1 {
   1.967 +  execsql {
   1.968 +    INSERT INTO r(a,b,c) VALUES(1,'?',99);
   1.969 +    INSERT INTO r(a,b,c) VALUES(2,3,99);
   1.970 +    SELECT a GLOB b FROM e
   1.971 +  }
   1.972 +} {1 0}
   1.973 +proc ::echo_glob_overload {a b} {
   1.974 + return [list $b $a]
   1.975 +}
   1.976 +do_test vtab1.11-2 {
   1.977 +  execsql {
   1.978 +    SELECT a like 'b' FROM e
   1.979 +  }
   1.980 +} {0 0}
   1.981 +do_test vtab1.11-3 {
   1.982 +  execsql {
   1.983 +    SELECT a glob '2' FROM e
   1.984 +  }
   1.985 +} {{1 2} {2 2}}
   1.986 +do_test vtab1.11-4 {
   1.987 +  execsql {
   1.988 +    SELECT  glob('2',a) FROM e
   1.989 +  }
   1.990 +} {0 1}
   1.991 +do_test vtab1.11-5 {
   1.992 +  execsql {
   1.993 +    SELECT  glob(a,'2') FROM e
   1.994 +  }
   1.995 +} {{2 1} {2 2}}
   1.996 + 
   1.997 +#----------------------------------------------------------------------
   1.998 +# Test the outcome if a constraint is encountered half-way through
   1.999 +# a multi-row INSERT that is inside a transaction
  1.1000 +#
  1.1001 +do_test vtab1.12-1 {
  1.1002 +  execsql {
  1.1003 +    CREATE TABLE b(a, b, c);
  1.1004 +    CREATE TABLE c(a UNIQUE, b, c);
  1.1005 +    INSERT INTO b VALUES(1, 'A', 'B');
  1.1006 +    INSERT INTO b VALUES(2, 'C', 'D');
  1.1007 +    INSERT INTO b VALUES(3, 'E', 'F');
  1.1008 +    INSERT INTO c VALUES(3, 'G', 'H');
  1.1009 +    CREATE VIRTUAL TABLE echo_c USING echo(c);
  1.1010 +  }
  1.1011 +} {}
  1.1012 +
  1.1013 +# First test outside of a transaction.
  1.1014 +do_test vtab1.12-2 {
  1.1015 +  catchsql { INSERT INTO echo_c SELECT * FROM b; }
  1.1016 +} {1 {echo-vtab-error: column a is not unique}}
  1.1017 +do_test vtab1.12-2.1 {
  1.1018 +  sqlite3_errmsg db
  1.1019 +} {echo-vtab-error: column a is not unique}
  1.1020 +do_test vtab1.12-3 {
  1.1021 +  execsql { SELECT * FROM c }
  1.1022 +} {3 G H}
  1.1023 +
  1.1024 +# Now the real test - wrapped in a transaction.
  1.1025 +do_test vtab1.12-4 {
  1.1026 +  execsql  {BEGIN}
  1.1027 +  catchsql { INSERT INTO echo_c SELECT * FROM b; }
  1.1028 +} {1 {echo-vtab-error: column a is not unique}}
  1.1029 +do_test vtab1.12-5 {
  1.1030 +  execsql { SELECT * FROM c }
  1.1031 +} {3 G H}
  1.1032 +do_test vtab1.12-6 {
  1.1033 +  execsql { COMMIT }
  1.1034 +  execsql { SELECT * FROM c }
  1.1035 +} {3 G H}
  1.1036 +
  1.1037 +# At one point (ticket #2759), a WHERE clause of the form "<column> IS NULL"
  1.1038 +# on a virtual table was causing an assert() to fail in the compiler.
  1.1039 +#
  1.1040 +# "IS NULL" clauses should not be passed through to the virtual table
  1.1041 +# implementation. They are handled by SQLite after the vtab returns its
  1.1042 +# data.
  1.1043 +#
  1.1044 +do_test vtab1.13-1 {
  1.1045 +  execsql { 
  1.1046 +    SELECT * FROM echo_c WHERE a IS NULL 
  1.1047 +  }
  1.1048 +} {}
  1.1049 +do_test vtab1.13-2 {
  1.1050 +  execsql { 
  1.1051 +    INSERT INTO c VALUES(NULL, 15, 16);
  1.1052 +    SELECT * FROM echo_c WHERE a IS NULL 
  1.1053 +  }
  1.1054 +} {{} 15 16}
  1.1055 +do_test vtab1.13-3 {
  1.1056 +  execsql { 
  1.1057 +    INSERT INTO c VALUES(15, NULL, 16);
  1.1058 +    SELECT * FROM echo_c WHERE b IS NULL 
  1.1059 +  }
  1.1060 +} {15 {} 16}
  1.1061 +do_test vtab1.13-3 {
  1.1062 +  execsql { 
  1.1063 +    SELECT * FROM echo_c WHERE b IS NULL AND a = 15;
  1.1064 +  }
  1.1065 +} {15 {} 16}
  1.1066 +
  1.1067 +
  1.1068 +do_test vtab1-14.1 {
  1.1069 +  execsql { DELETE FROM c }
  1.1070 +  set echo_module ""
  1.1071 +  execsql { SELECT * FROM echo_c WHERE rowid IN (1, 2, 3) }
  1.1072 +  set echo_module
  1.1073 +} [list xBestIndex {SELECT rowid, * FROM 'c'} xFilter {SELECT rowid, * FROM 'c'}]
  1.1074 +
  1.1075 +do_test vtab1-14.2 {
  1.1076 +  set echo_module ""
  1.1077 +  execsql { SELECT * FROM echo_c WHERE rowid = 1 }
  1.1078 +  set echo_module
  1.1079 +} [list xBestIndex {SELECT rowid, * FROM 'c' WHERE rowid = ?} xFilter {SELECT rowid, * FROM 'c' WHERE rowid = ?} 1]
  1.1080 +
  1.1081 +do_test vtab1-14.3 {
  1.1082 +  set echo_module ""
  1.1083 +  execsql { SELECT * FROM echo_c WHERE a = 1 }
  1.1084 +  set echo_module
  1.1085 +} [list xBestIndex {SELECT rowid, * FROM 'c' WHERE a = ?} xFilter {SELECT rowid, * FROM 'c' WHERE a = ?} 1]
  1.1086 +
  1.1087 +do_test vtab1-14.4 {
  1.1088 +  set echo_module ""
  1.1089 +  execsql { SELECT * FROM echo_c WHERE a IN (1, 2) }
  1.1090 +  set echo_module
  1.1091 +} [list xBestIndex {SELECT rowid, * FROM 'c'} xFilter {SELECT rowid, * FROM 'c'}]
  1.1092 +
  1.1093 +do_test vtab1-15.1 {
  1.1094 +  execsql {
  1.1095 +    CREATE TABLE t1(a, b, c);
  1.1096 +    CREATE VIRTUAL TABLE echo_t1 USING echo(t1);
  1.1097 +  }
  1.1098 +} {}
  1.1099 +do_test vtab1-15.2 {
  1.1100 +  execsql {
  1.1101 +    INSERT INTO echo_t1(rowid) VALUES(45);
  1.1102 +    SELECT rowid, * FROM echo_t1;
  1.1103 +  }
  1.1104 +} {45 {} {} {}}
  1.1105 +do_test vtab1-15.3 {
  1.1106 +  execsql {
  1.1107 +    INSERT INTO echo_t1(rowid) VALUES(NULL);
  1.1108 +    SELECT rowid, * FROM echo_t1;
  1.1109 +  }
  1.1110 +} {45 {} {} {} 46 {} {} {}}
  1.1111 +do_test vtab1-15.4 {
  1.1112 +  catchsql {
  1.1113 +    INSERT INTO echo_t1(rowid) VALUES('new rowid');
  1.1114 +  }
  1.1115 +} {1 {datatype mismatch}}
  1.1116 +
  1.1117 +# The following tests - vtab1-16.* - are designed to test that setting 
  1.1118 +# sqlite3_vtab.zErrMsg variable can be used by the vtab interface to 
  1.1119 +# return an error message to the user.
  1.1120 +# 
  1.1121 +do_test vtab1-16.1 {
  1.1122 +  execsql {
  1.1123 +    CREATE TABLE t2(a PRIMARY KEY, b, c);
  1.1124 +    INSERT INTO t2 VALUES(1, 2, 3);
  1.1125 +    INSERT INTO t2 VALUES(4, 5, 6);
  1.1126 +    CREATE VIRTUAL TABLE echo_t2 USING echo(t2);
  1.1127 +  }
  1.1128 +} {}
  1.1129 +
  1.1130 +set tn 2
  1.1131 +foreach method [list \
  1.1132 +    xBestIndex       \
  1.1133 +    xOpen            \
  1.1134 +    xFilter          \
  1.1135 +    xNext            \
  1.1136 +    xColumn          \
  1.1137 +    xRowid           \
  1.1138 +] {
  1.1139 +  do_test vtab1-16.$tn {
  1.1140 +    set echo_module_fail($method,t2) "the $method method has failed"
  1.1141 +    catchsql { SELECT rowid, * FROM echo_t2 WHERE a >= 1 }
  1.1142 +  } "1 {echo-vtab-error: the $method method has failed}"
  1.1143 +  unset echo_module_fail($method,t2)
  1.1144 +  incr tn
  1.1145 +}
  1.1146 +
  1.1147 +foreach method [list \
  1.1148 +  xUpdate            \
  1.1149 +  xBegin             \
  1.1150 +  xSync              \
  1.1151 +] {
  1.1152 +  do_test vtab1-16.$tn {
  1.1153 +    set echo_module_fail($method,t2) "the $method method has failed"
  1.1154 +    catchsql { INSERT INTO echo_t2 VALUES(7, 8, 9) }
  1.1155 +  } "1 {echo-vtab-error: the $method method has failed}"
  1.1156 +  unset echo_module_fail($method,t2)
  1.1157 +  incr tn
  1.1158 +}
  1.1159 +
  1.1160 +do_test vtab1-16.$tn {
  1.1161 +  set echo_module_fail(xRename,t2) "the xRename method has failed"
  1.1162 +  catchsql { ALTER TABLE echo_t2 RENAME TO another_name }
  1.1163 +} "1 {echo-vtab-error: the xRename method has failed}"
  1.1164 +unset echo_module_fail(xRename,t2)
  1.1165 +incr tn
  1.1166 +
  1.1167 +unset -nocomplain echo_module_begin_fail
  1.1168 +finish_test