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sqlite3

    1: # 2009 December 8
    2: #
    3: # The author disclaims copyright to this source code.  In place of
    4: # a legal notice, here is a blessing:
    5: #
    6: #    May you do good and not evil.
    7: #    May you find forgiveness for yourself and forgive others.
    8: #    May you share freely, never taking more than you give.
    9: #
   10: #***********************************************************************
   11: # This file implements regression tests for SQLite library.
   12: #
   13: # Verify that we can create zero-length tables.
   14: #
   15: 
   16: set testdir [file dirname $argv0]
   17: source $testdir/tester.tcl
   18: 
   19: do_test tkt-78e04-1.0 {
   20:   execsql {
   21:     CREATE TABLE ""("" UNIQUE);
   22:     CREATE TABLE t2(x);
   23:     INSERT INTO "" VALUES(1);
   24:     INSERT INTO t2 VALUES(2);
   25:     SELECT * FROM "", t2;
   26:   }
   27: } {1 2}
   28: do_test tkt-78e04-1.1 {
   29:   catchsql {
   30:     INSERT INTO "" VALUES(1);
   31:   }
   32: } {1 {column  is not unique}}
   33: do_test tkt-78e04-1.2 {
   34:   execsql {
   35:     PRAGMA table_info("");
   36:   }
   37: } {0 {} {} 0 {} 0}
   38: do_test tkt-78e04-1.3 {
   39:   execsql {
   40:     CREATE INDEX i1 ON ""("" COLLATE nocase);
   41:   }
   42: } {}
   43: do_test tkt-78e04-1.4 {
   44:   execsql {
   45:     EXPLAIN QUERY PLAN SELECT * FROM "" WHERE "" LIKE 'abc%';
   46:   }
   47: } {0 0 0 {SCAN TABLE  (~500000 rows)}}
   48: do_test tkt-78e04-1.5 {
   49:   execsql {
   50:     DROP TABLE "";
   51:     SELECT name FROM sqlite_master;
   52:   }
   53: } {t2}
   54: 
   55: do_test tkt-78e04-2.1 {
   56:   execsql {
   57:     CREATE INDEX "" ON t2(x);
   58:     EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=5;
   59:   }
   60: } {0 0 0 {SEARCH TABLE t2 USING COVERING INDEX  (x=?) (~10 rows)}}
   61: do_test tkt-78e04-2.2 {
   62:   execsql {
   63:     DROP INDEX "";
   64:     EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=2;
   65:   }
   66: } {0 0 0 {SCAN TABLE t2 (~100000 rows)}}
   67: 
   68: finish_test