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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Artifact a9674fc6195e0952e4e6105a9981ce1e48e7f215:


# 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.
#
# This file implements tests for the special processing associated
# with INTEGER PRIMARY KEY columns.
#
# $Id: intpkey.test,v 1.24 2007/11/29 17:43:28 danielk1977 Exp $

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

# Create a table with a primary key and a datatype other than
# integer
#
do_test intpkey-1.0 {
  execsql {
    CREATE TABLE t1(a TEXT PRIMARY KEY, b, c);
  }
} {}

# There should be an index associated with the primary key
#
do_test intpkey-1.1 {
  execsql {
    SELECT name FROM sqlite_master
    WHERE type='index' AND tbl_name='t1';
  }
} {sqlite_autoindex_t1_1}

# Now create a table with an integer primary key and verify that
# there is no associated index.
#
do_test intpkey-1.2 {
  execsql {
    DROP TABLE t1;
    CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
    SELECT name FROM sqlite_master
      WHERE type='index' AND tbl_name='t1';
  }
} {}

# Insert some records into the new table.  Specify the primary key
# and verify that the key is used as the record number.
#
do_test intpkey-1.3 {
  execsql {
    INSERT INTO t1 VALUES(5,'hello','world');
  }
  db last_insert_rowid
} {5}
do_test intpkey-1.4 {
  execsql {
    SELECT * FROM t1;
  }
} {5 hello world}
do_test intpkey-1.5 {
  execsql {
    SELECT rowid, * FROM t1;
  }
} {5 5 hello world}

# Attempting to insert a duplicate primary key should give a constraint
# failure.
#
do_test intpkey-1.6 {
  set r [catch {execsql {
     INSERT INTO t1 VALUES(5,'second','entry');
  }} msg]
  lappend r $msg
} {1 {PRIMARY KEY must be unique}}
do_test intpkey-1.7 {
  execsql {
    SELECT rowid, * FROM t1;
  }
} {5 5 hello world}
do_test intpkey-1.8 {
  set r [catch {execsql {
     INSERT INTO t1 VALUES(6,'second','entry');
  }} msg]
  lappend r $msg
} {0 {}}
do_test intpkey-1.8.1 {
  db last_insert_rowid
} {6}
do_test intpkey-1.9 {
  execsql {
    SELECT rowid, * FROM t1;
  }
} {5 5 hello world 6 6 second entry}

# A ROWID is automatically generated for new records that do not specify
# the integer primary key.
#
do_test intpkey-1.10 {
  execsql {
    INSERT INTO t1(b,c) VALUES('one','two');
    SELECT b FROM t1 ORDER BY b;
  }
} {hello one second}

# Try to change the ROWID for the new entry.
#
do_test intpkey-1.11 {
  execsql {
    UPDATE t1 SET a=4 WHERE b='one';
    SELECT * FROM t1;
  }
} {4 one two 5 hello world 6 second entry}

# Make sure SELECT statements are able to use the primary key column
# as an index.
#
do_test intpkey-1.12.1 {
  execsql {
    SELECT * FROM t1 WHERE a==4;
  }
} {4 one two}
do_test intpkey-1.12.2 {
  execsql {
    EXPLAIN QUERY PLAN
    SELECT * FROM t1 WHERE a==4;
  }
} {/SEARCH TABLE t1 /}

# Try to insert a non-integer value into the primary key field.  This
# should result in a data type mismatch.
#
do_test intpkey-1.13.1 {
  set r [catch {execsql {
    INSERT INTO t1 VALUES('x','y','z');
  }} msg]
  lappend r $msg
} {1 {datatype mismatch}}
do_test intpkey-1.13.2 {
  set r [catch {execsql {
    INSERT INTO t1 VALUES('','y','z');
  }} msg]
  lappend r $msg
} {1 {datatype mismatch}}
do_test intpkey-1.14 {
  set r [catch {execsql {
    INSERT INTO t1 VALUES(3.4,'y','z');
  }} msg]
  lappend r $msg
} {1 {datatype mismatch}}
do_test intpkey-1.15 {
  set r [catch {execsql {
    INSERT INTO t1 VALUES(-3,'y','z');
  }} msg]
  lappend r $msg
} {0 {}}
do_test intpkey-1.16 {
  execsql {SELECT * FROM t1}
} {-3 y z 4 one two 5 hello world 6 second entry}

#### INDICES
# Check to make sure indices work correctly with integer primary keys
#
do_test intpkey-2.1 {
  execsql {
    CREATE INDEX i1 ON t1(b);
    SELECT * FROM t1 WHERE b=='y'
  }
} {-3 y z}
do_test intpkey-2.1.1 {
  execsql {
    SELECT * FROM t1 WHERE b=='y' AND rowid<0
  }
} {-3 y z}
do_test intpkey-2.1.2 {
  execsql {
    SELECT * FROM t1 WHERE b=='y' AND rowid<0 AND rowid>=-20
  }
} {-3 y z}
do_test intpkey-2.1.3 {
  execsql {
    SELECT * FROM t1 WHERE b>='y'
  }
} {-3 y z}
do_test intpkey-2.1.4 {
  execsql {
    SELECT * FROM t1 WHERE b>='y' AND rowid<10
  }
} {-3 y z}

do_test intpkey-2.2 {
  execsql {
    UPDATE t1 SET a=8 WHERE b=='y';
    SELECT * FROM t1 WHERE b=='y';
  }
} {8 y z}
do_test intpkey-2.3 {
  execsql {
    SELECT rowid, * FROM t1;
  }
} {4 4 one two 5 5 hello world 6 6 second entry 8 8 y z}
do_test intpkey-2.4 {
  execsql {
    SELECT rowid, * FROM t1 WHERE b<'second'
  }
} {5 5 hello world 4 4 one two}
do_test intpkey-2.4.1 {
  execsql {
    SELECT rowid, * FROM t1 WHERE 'second'>b
  }
} {5 5 hello world 4 4 one two}
do_test intpkey-2.4.2 {
  execsql {
    SELECT rowid, * FROM t1 WHERE 8>rowid AND 'second'>b
  }
} {4 4 one two 5 5 hello world}
do_test intpkey-2.4.3 {
  execsql {
    SELECT rowid, * FROM t1 WHERE 8>rowid AND 'second'>b AND 0<rowid
  }
} {4 4 one two 5 5 hello world}
do_test intpkey-2.5 {
  execsql {
    SELECT rowid, * FROM t1 WHERE b>'a'
  }
} {5 5 hello world 4 4 one two 6 6 second entry 8 8 y z}
do_test intpkey-2.6 {
  execsql {
    DELETE FROM t1 WHERE rowid=4;
    SELECT * FROM t1 WHERE b>'a';
  }
} {5 hello world 6 second entry 8 y z}
do_test intpkey-2.7 {
  execsql {
    UPDATE t1 SET a=-4 WHERE rowid=8;
    SELECT * FROM t1 WHERE b>'a';
  }
} {5 hello world 6 second entry -4 y z}
do_test intpkey-2.7 {
  execsql {
    SELECT * FROM t1
  }
} {-4 y z 5 hello world 6 second entry}

# Do an SQL statement.  Append the search count to the end of the result.
#
proc count sql {
  set ::sqlite_search_count 0
  return [concat [execsql $sql] $::sqlite_search_count]
}

# Create indices that include the integer primary key as one of their
# columns.
#
do_test intpkey-3.1 {
  execsql {
    CREATE INDEX i2 ON t1(a);
  }
} {}
do_test intpkey-3.2 {
  count {
    SELECT * FROM t1 WHERE a=5;
  }
} {5 hello world 0}
do_test intpkey-3.3 {
  count {
    SELECT * FROM t1 WHERE a>4 AND a<6;
  }
} {5 hello world 2}
do_test intpkey-3.4 {
  count {
    SELECT * FROM t1 WHERE b>='hello' AND b<'hello2';
  }
} {5 hello world 3}
do_test intpkey-3.5 {
  execsql {
    CREATE INDEX i3 ON t1(c,a);
  }
} {}
do_test intpkey-3.6 {
  count {
    SELECT * FROM t1 WHERE c=='world';
  }
} {5 hello world 3}
do_test intpkey-3.7 {
  execsql {INSERT INTO t1 VALUES(11,'hello','world')}
  count {
    SELECT * FROM t1 WHERE c=='world';
  }
} {5 hello world 11 hello world 5}
do_test intpkey-3.8 {
  count {
    SELECT * FROM t1 WHERE c=='world' AND a>7;
  }
} {11 hello world 4}
do_test intpkey-3.9 {
  count {
    SELECT * FROM t1 WHERE 7<a;
  }
} {11 hello world 1}

# Test inequality constraints on integer primary keys and rowids
#
do_test intpkey-4.1 {
  count {
    SELECT * FROM t1 WHERE 11=rowid
  }
} {11 hello world 0}
do_test intpkey-4.2 {
  count {
    SELECT * FROM t1 WHERE 11=rowid AND b=='hello'
  }
} {11 hello world 0}
do_test intpkey-4.3 {
  count {
    SELECT * FROM t1 WHERE 11=rowid AND b=='hello' AND c IS NOT NULL;
  }
} {11 hello world 0}
do_test intpkey-4.4 {
  count {
    SELECT * FROM t1 WHERE rowid==11
  }
} {11 hello world 0}
do_test intpkey-4.5 {
  count {
    SELECT * FROM t1 WHERE oid==11 AND b=='hello'
  }
} {11 hello world 0}
do_test intpkey-4.6 {
  count {
    SELECT * FROM t1 WHERE a==11 AND b=='hello' AND c IS NOT NULL;
  }
} {11 hello world 0}

do_test intpkey-4.7 {
  count {
    SELECT * FROM t1 WHERE 8<rowid;
  }
} {11 hello world 1}
do_test intpkey-4.8 {
  count {
    SELECT * FROM t1 WHERE 8<rowid AND 11>=oid;
  }
} {11 hello world 1}
do_test intpkey-4.9 {
  count {
    SELECT * FROM t1 WHERE 11<=_rowid_ AND 12>=a;
  }
} {11 hello world 1}
do_test intpkey-4.10 {
  count {
    SELECT * FROM t1 WHERE 0>=_rowid_;
  }
} {-4 y z 1}
do_test intpkey-4.11 {
  count {
    SELECT * FROM t1 WHERE a<0;
  }
} {-4 y z 1}
do_test intpkey-4.12 {
  count {
    SELECT * FROM t1 WHERE a<0 AND a>10;
  }
} {1}

# Make sure it is OK to insert a rowid of 0
#
do_test intpkey-5.1 {
  execsql {
    INSERT INTO t1 VALUES(0,'zero','entry');
  }
  count {
    SELECT * FROM t1 WHERE a=0;
  }
} {0 zero entry 0}
do_test intpkey-5.2 {
  execsql {
    SELECT rowid, a FROM t1 ORDER BY rowid
  }
} {-4 -4 0 0 5 5 6 6 11 11}

# Test the ability of the COPY command to put data into a
# table that contains an integer primary key.
#
# COPY command has been removed.  But we retain these tests so
# that the tables will contain the right data for tests that follow.
#
do_test intpkey-6.1 {
  execsql {
    BEGIN;
    INSERT INTO t1 VALUES(20,'b-20','c-20');
    INSERT INTO t1 VALUES(21,'b-21','c-21');
    INSERT INTO t1 VALUES(22,'b-22','c-22');
    COMMIT;
    SELECT * FROM t1 WHERE a>=20;
  }
} {20 b-20 c-20 21 b-21 c-21 22 b-22 c-22}
do_test intpkey-6.2 {
  execsql {
    SELECT * FROM t1 WHERE b=='hello'
  }
} {5 hello world 11 hello world}
do_test intpkey-6.3 {
  execsql {
    DELETE FROM t1 WHERE b='b-21';
    SELECT * FROM t1 WHERE b=='b-21';
  }
} {}
do_test intpkey-6.4 {
  execsql {
    SELECT * FROM t1 WHERE a>=20
  }
} {20 b-20 c-20 22 b-22 c-22}

# Do an insert of values with the columns specified out of order.
#
do_test intpkey-7.1 {
  execsql {
    INSERT INTO t1(c,b,a) VALUES('row','new',30);
    SELECT * FROM t1 WHERE rowid>=30;
  }
} {30 new row}
do_test intpkey-7.2 {
  execsql {
    SELECT * FROM t1 WHERE rowid>20;
  }
} {22 b-22 c-22 30 new row}

# Do an insert from a select statement.
#
do_test intpkey-8.1 {
  execsql {
    CREATE TABLE t2(x INTEGER PRIMARY KEY, y, z);
    INSERT INTO t2 SELECT * FROM t1;
    SELECT rowid FROM t2;
  }
} {-4 0 5 6 11 20 22 30}
do_test intpkey-8.2 {
  execsql {
    SELECT x FROM t2;
  }
} {-4 0 5 6 11 20 22 30}

do_test intpkey-9.1 {
  execsql {
    UPDATE t1 SET c='www' WHERE c='world';
    SELECT rowid, a, c FROM t1 WHERE c=='www';
  }
} {5 5 www 11 11 www}


# Check insert of NULL for primary key
#
do_test intpkey-10.1 {
  execsql {
    DROP TABLE t2;
    CREATE TABLE t2(x INTEGER PRIMARY KEY, y, z);
    INSERT INTO t2 VALUES(NULL, 1, 2);
    SELECT * from t2;
  }
} {1 1 2}
do_test intpkey-10.2 {
  execsql {
    INSERT INTO t2 VALUES(NULL, 2, 3);
    SELECT * from t2 WHERE x=2;
  }
} {2 2 3}
do_test intpkey-10.3 {
  execsql {
    INSERT INTO t2 SELECT NULL, z, y FROM t2;
    SELECT * FROM t2;
  }
} {1 1 2 2 2 3 3 2 1 4 3 2}

# This tests checks to see if a floating point number can be used
# to reference an integer primary key.
#
do_test intpkey-11.1 {
  execsql {
    SELECT b FROM t1 WHERE a=2.0+3.0;
  }
} {hello}
do_test intpkey-11.1 {
  execsql {
    SELECT b FROM t1 WHERE a=2.0+3.5;
  }
} {}

integrity_check intpkey-12.1

# Try to use a string that looks like a floating point number as
# an integer primary key.  This should actually work when the floating
# point value can be rounded to an integer without loss of data.
#
do_test intpkey-13.1 {
  execsql {
    SELECT * FROM t1 WHERE a=1;
  }
} {}
do_test intpkey-13.2 {
  execsql {
    INSERT INTO t1 VALUES('1.0',2,3);
    SELECT * FROM t1 WHERE a=1;
  }
} {1 2 3}
do_test intpkey-13.3 {
  catchsql {
    INSERT INTO t1 VALUES('1.5',3,4);
  }
} {1 {datatype mismatch}}
ifcapable {bloblit} {
  do_test intpkey-13.4 {
    catchsql {
      INSERT INTO t1 VALUES(x'123456',3,4);
    }
  } {1 {datatype mismatch}}
}
do_test intpkey-13.5 {
  catchsql {
    INSERT INTO t1 VALUES('+1234567890',3,4);
  }
} {0 {}}

# Compare an INTEGER PRIMARY KEY against a TEXT expression. The INTEGER
# affinity should be applied to the text value before the comparison
# takes place.
#
do_test intpkey-14.1 {
  execsql {
    CREATE TABLE t3(a INTEGER PRIMARY KEY, b INTEGER, c TEXT);
    INSERT INTO t3 VALUES(1, 1, 'one');
    INSERT INTO t3 VALUES(2, 2, '2');
    INSERT INTO t3 VALUES(3, 3, 3);
  }
} {}
do_test intpkey-14.2 {
  execsql {
    SELECT * FROM t3 WHERE a>2;
  }
} {3 3 3}
do_test intpkey-14.3 {
  execsql {
    SELECT * FROM t3 WHERE a>'2';
  }
} {3 3 3}
do_test intpkey-14.4 {
  execsql {
    SELECT * FROM t3 WHERE a<'2';
  }
} {1 1 one}
do_test intpkey-14.5 {
  execsql {
    SELECT * FROM t3 WHERE a<c;
  }
} {1 1 one}
do_test intpkey-14.6 {
  execsql {
    SELECT * FROM t3 WHERE a=c;
  }
} {2 2 2 3 3 3}

# Check for proper handling of primary keys greater than 2^31.
# Ticket #1188
#
do_test intpkey-15.1 {
  execsql {
    INSERT INTO t1 VALUES(2147483647, 'big-1', 123);
    SELECT * FROM t1 WHERE a>2147483648;
  }
} {}
do_test intpkey-15.2 {
  execsql {
    INSERT INTO t1 VALUES(NULL, 'big-2', 234);
    SELECT b FROM t1 WHERE a>=2147483648;
  }
} {big-2}
do_test intpkey-15.3 {
  execsql {
    SELECT b FROM t1 WHERE a>2147483648;
  }
} {}
do_test intpkey-15.4 {
  execsql {
    SELECT b FROM t1 WHERE a>=2147483647;
  }
} {big-1 big-2}
do_test intpkey-15.5 {
  execsql {
    SELECT b FROM t1 WHERE a<2147483648;
  }
} {y zero 2 hello second hello b-20 b-22 new 3 big-1}
do_test intpkey-15.6 {
  execsql {
    SELECT b FROM t1 WHERE a<12345678901;
  }
} {y zero 2 hello second hello b-20 b-22 new 3 big-1 big-2}
do_test intpkey-15.7 {
  execsql {
    SELECT b FROM t1 WHERE a>12345678901;
  }
} {}


finish_test