test/tableapi.test

# 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 1.16 2008/03/17 15:09:48 drh Exp $

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

do_test tableapi-1.0 {
  set ::dbx [sqlite3_open test.db]
  catch {sqlite_exec_printf $::dbx {DROP TABLE xyz} {}}
  sqlite3_exec_printf $::dbx {CREATE TABLE %s(a int, b text)} xyz
} {0 {}}
do_test tableapi-1.1 {
  sqlite3_exec_printf $::dbx {
    INSERT INTO xyz VALUES(1,'%q')
  } {Hi Y'all}
} {0 {}}
do_test tableapi-1.2 {
  sqlite3_exec_printf $::dbx {SELECT * FROM xyz} {}
} {0 {a b 1 {Hi Y'all}}}

do_test tableapi-2.1 {
  sqlite3_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 {
  sqlite3_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} {
    sqlite3_get_table_printf $::dbx \
       "INSERT INTO xyz VALUES($i,'(%s)')" $i
  }
  sqlite3_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 {
  sqlite3_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 {
  sqlite3_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-2.3.3 {
  sqlite3_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>47 ORDER BY a; invalid
  } {}
} {1 {near "invalid": syntax error}}
do_test tableapi-2.3.4 {
breakpoint
  sqlite3_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>47 ORDER BY a
  } {} 8
} {0 a b 48 (48) 49 (49) 50 (50)}
do_test tableapi-2.4 {
  set manyquote ''''''''
  append manyquote $manyquote
  append manyquote $manyquote
  append manyquote $manyquote
  append manyquote $manyquote
  append manyquote $manyquote
  append manyquote $manyquote
  set ::big_str "$manyquote Hello $manyquote"
  sqlite3_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(51,'%q')
  } $::big_str
} {0 0 0}
do_test tableapi-2.5 {
  sqlite3_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 {
  sqlite3_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(52,NULL)
  } {}
  ifcapable subquery {
    sqlite3_get_table_printf $::dbx {
      SELECT * FROM xyz WHERE a IN (42,50,52) ORDER BY a DESC
    } {}
  } else {
    sqlite3_get_table_printf $::dbx {
      SELECT * FROM xyz WHERE a=42 OR a=50 OR a=52 ORDER BY a DESC
    } {}
  }
} {0 3 2 a b 52 NULL 50 (50) 42 (42)}
do_test tableapi-2.7 {
  sqlite3_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 {
  sqlite3_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 {
  sqlite3_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} {
    sqlite3_get_table_printf $::dbx \
       "INSERT INTO xyz VALUES($i,'(%s)')" $i
  }
  sqlite3_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 {
  sqlite3_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 {
  sqlite3_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 {
  sqlite3_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(51,'%q')
  } $::big_str
} {0 0 0}
do_test tableapi-3.5 {
  sqlite3_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 {
  sqlite3_get_table_printf $::dbx {
    INSERT INTO xyz VALUES(52,NULL)
  } {}
  ifcapable subquery {
    sqlite3_get_table_printf $::dbx {
      SELECT * FROM xyz WHERE a IN (42,50,52) ORDER BY a DESC
    } {}
  } else {
    sqlite3_get_table_printf $::dbx {
      SELECT * FROM xyz WHERE a=42 OR a=50 OR a=52 ORDER BY a DESC
    } {}
  }
} {0 3 2 a b 52 NULL 50 (50) 42 (42)}
do_test tableapi-3.7 {
  sqlite3_get_table_printf $::dbx {
    SELECT * FROM xyz WHERE a>1000
  } {}
} {0 0 2 a b}

do_test tableapi-4.1 {
  set rc [catch {
    sqlite3_get_table_printf $::dbx {
      SELECT * FROM xyz;  SELECT * FROM sqlite_master
    } {}
  } msg]
  concat $rc $msg
} {0 1 {sqlite3_get_table() called with two or more incompatible queries}}

# A report on the mailing list says that the sqlite_get_table() api fails
# on queries involving more than 40 columns.  The following code attempts
# to test that complaint
#
do_test tableapi-5.1 {
  set sql "CREATE TABLE t2("
  set sep ""
  for {set i 1} {$i<=100} {incr i} {
    append sql ${sep}x$i
    set sep ,
  }
  append sql )
  sqlite3_get_table_printf $::dbx $sql {}
  set sql "INSERT INTO t2 VALUES("
  set sep ""
  for {set i 1} {$i<=100} {incr i} {
    append sql ${sep}$i
    set sep ,
  }
  append sql )
  sqlite3_get_table_printf $::dbx $sql {}
  sqlite3_get_table_printf $::dbx {SELECT * FROM t2} {}
} {0 1 100 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 x21 x22 x23 x24 x25 x26 x27 x28 x29 x30 x31 x32 x33 x34 x35 x36 x37 x38 x39 x40 x41 x42 x43 x44 x45 x46 x47 x48 x49 x50 x51 x52 x53 x54 x55 x56 x57 x58 x59 x60 x61 x62 x63 x64 x65 x66 x67 x68 x69 x70 x71 x72 x73 x74 x75 x76 x77 x78 x79 x80 x81 x82 x83 x84 x85 x86 x87 x88 x89 x90 x91 x92 x93 x94 x95 x96 x97 x98 x99 x100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100}
do_test tableapi-5.2 {
  set sql "INSERT INTO t2 VALUES("
  set sep ""
  for {set i 1} {$i<=100} {incr i} {
    append sql ${sep}[expr {$i+1000}]
    set sep ,
  }
  append sql )
  sqlite3_get_table_printf $::dbx $sql {}
  sqlite3_get_table_printf $::dbx {SELECT * FROM t2} {}
} {0 2 100 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 x21 x22 x23 x24 x25 x26 x27 x28 x29 x30 x31 x32 x33 x34 x35 x36 x37 x38 x39 x40 x41 x42 x43 x44 x45 x46 x47 x48 x49 x50 x51 x52 x53 x54 x55 x56 x57 x58 x59 x60 x61 x62 x63 x64 x65 x66 x67 x68 x69 x70 x71 x72 x73 x74 x75 x76 x77 x78 x79 x80 x81 x82 x83 x84 x85 x86 x87 x88 x89 x90 x91 x92 x93 x94 x95 x96 x97 x98 x99 x100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100}

ifcapable schema_pragmas {
  do_test tableapi-6.1 {
    sqlite3_get_table_printf $::dbx {PRAGMA user_version} {}
  } {0 1 1 user_version 0}
}

ifcapable memdebug {
  source $testdir/malloc_common.tcl
  do_malloc_test tableapi-7 -sqlprep {
    DROP TABLE IF EXISTS t1;
    CREATE TABLE t1(a,b);
    INSERT INTO t1 VALUES(1,2);
    INSERT INTO t1 VALUES(3,4);
    INSERT INTO t1 SELECT a+4, b+4 FROM t1;
    INSERT INTO t1 SELECT a+8, b+8 FROM t1;
  } -tclbody {
    set r [sqlite3_get_table_printf db {SELECT rowid, a, b FROM t1} {}]
    if {[llength $r]<26} {error "out of memory"}
  }
}

do_test tableapi-99.0 {
  sqlite3_close $::dbx
} {SQLITE_OK}

finish_test