tableapi.test

SQLite 2.8.6 源代码,用来在Linux/Unix/Windows上编译安装.它是一个小型的数据库,但是非常好用,速度也快,一般的数据库查询之类的操作据统计比MySQL,PostgreSQL

# 2001 September 15
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the sqlite_exec_printf() and
# sqlite_get_table_printf() APIs.
#
# $Id: tableapi.test,v 1.5 2002/03/23 00:52:01 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test tableapi-1.0 {
  set ::dbx [sqlite_open testdb]
  catch {sqlite_exec_printf $::dbx {DROP TABLE xyz} {}}
  sqlite_exec_printf $::dbx {CREATE TABLE %s(a int, b text)} xyz
} {0 {}}
do_test tableapi-1.1 {
  sqlite_exec_printf $::dbx {
    INSERT INTO xyz VALUES(1,'%q')
  } {Hi Y'all}
} {0 {}}
do_test tableapi-1.2 {
  sqlite_exec_printf $::dbx {SELECT * FROM xyz} {}
} {0 {a b 1 {Hi Y'all}}}

do_test tableapi-2.1 {
  sqlite_get_table_printf $::dbx {
    BEGIN TRANSACTION;
    SELECT * FROM xyz WHERE b='%q'
  } {Hi Y'all}
} {0 1 2 a b 1 {Hi Y'all}}
do_test tableapi-2.2 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz
  } {}
} {0 1 2 a b 1 {Hi Y'all}}
do_test tableapi-2.3 {
  for {set i 2} {$i<=50} {incr i} {
    sqlite_get_table_printf $::dbx \
       "INSERT INTO xyz VALUES($i,'(%s)')" $i
  }
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz ORDER BY a
  } {}
} {0 50 2 a b 1 {Hi Y'all} 2 (2) 3 (3) 4 (4) 5 (5) 6 (6) 7 (7) 8 (8) 9 (9) 10 (10) 11 (11) 12 (12) 13 (13) 14 (14) 15 (15) 16 (16) 17 (17) 18 (18) 19 (19) 20 (20) 21 (21) 22 (22) 23 (23) 24 (24) 25 (25) 26 (26) 27 (27) 28 (28) 29 (29) 30 (30) 31 (31) 32 (32) 33 (33) 34 (34) 35 (35) 36 (36) 37 (37) 38 (38) 39 (39) 40 (40) 41 (41) 42 (42) 43 (43) 44 (44) 45 (45) 46 (46) 47 (47) 48 (48) 49 (49) 50 (50)}
do_test tableapi-2.3.1 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz  WHERE a>49 ORDER BY a
  } {}
} {0 1 2 a b 50 (50)}
do_test tableapi-2.3.2 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>47 ORDER BY a
  } {}
} {0 3 2 a b 48 (48) 49 (49) 50 (50)}
do_test tableapi-2.4 {
  set ::big_str [sqlite_mprintf_str {%500'* Hello %500'*} 0 0 {}]
  sqlite_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(51,'%q')
  } $::big_str
} {0 0 0}
do_test tableapi-2.5 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>49 ORDER BY a;
  } {}
} "0 2 2 a b 50 (50) 51 \173$::big_str\175"
do_test tableapi-2.6 {
  sqlite_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(52,NULL)
  } {}
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a IN (42,50,52) ORDER BY a DESC
  } {}
} {0 3 2 a b 52 NULL 50 (50) 42 (42)}
do_test tableapi-2.7 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>1000
  } {}
} {0 0 0}

# Repeat all tests with the empty_result_callbacks pragma turned on
#
do_test tableapi-3.1 {
  sqlite_get_table_printf $::dbx {
    ROLLBACK;
    PRAGMA empty_result_callbacks = ON;
    SELECT * FROM xyz WHERE b='%q'
  } {Hi Y'all}
} {0 1 2 a b 1 {Hi Y'all}}
do_test tableapi-3.2 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz
  } {}
} {0 1 2 a b 1 {Hi Y'all}}
do_test tableapi-3.3 {
  for {set i 2} {$i<=50} {incr i} {
    sqlite_get_table_printf $::dbx \
       "INSERT INTO xyz VALUES($i,'(%s)')" $i
  }
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz ORDER BY a
  } {}
} {0 50 2 a b 1 {Hi Y'all} 2 (2) 3 (3) 4 (4) 5 (5) 6 (6) 7 (7) 8 (8) 9 (9) 10 (10) 11 (11) 12 (12) 13 (13) 14 (14) 15 (15) 16 (16) 17 (17) 18 (18) 19 (19) 20 (20) 21 (21) 22 (22) 23 (23) 24 (24) 25 (25) 26 (26) 27 (27) 28 (28) 29 (29) 30 (30) 31 (31) 32 (32) 33 (33) 34 (34) 35 (35) 36 (36) 37 (37) 38 (38) 39 (39) 40 (40) 41 (41) 42 (42) 43 (43) 44 (44) 45 (45) 46 (46) 47 (47) 48 (48) 49 (49) 50 (50)}
do_test tableapi-3.3.1 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz  WHERE a>49 ORDER BY a
  } {}
} {0 1 2 a b 50 (50)}
do_test tableapi-3.3.2 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>47 ORDER BY a
  } {}
} {0 3 2 a b 48 (48) 49 (49) 50 (50)}
do_test tableapi-3.4 {
  set ::big_str [sqlite_mprintf_str {%500'* Hello %500'*} 0 0 {}]
  sqlite_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(51,'%q')
  } $::big_str
} {0 0 0}
do_test tableapi-3.5 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>49 ORDER BY a;
  } {}
} "0 2 2 a b 50 (50) 51 \173$::big_str\175"
do_test tableapi-3.6 {
  sqlite_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(52,NULL)
  } {}
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a IN (42,50,52) ORDER BY a DESC
  } {}
} {0 3 2 a b 52 NULL 50 (50) 42 (42)}
do_test tableapi-3.7 {
  sqlite_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>1000
  } {}
} {0 0 2 a b}

do_test tableapi-4.1 {
  set rc [catch {
    sqlite_get_table_printf $::dbx {
      SELECT * FROM xyz;  SELECT * FROM sqlite_master
    } {}
  } msg]
  concat $rc $msg
} {0 1 {sqlite_get_table() called with two or more incompatible queries}}

do_test tableapi-99.0 {
  sqlite_close $::dbx
} {}

finish_test