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

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Overview
Comment:Update requirements marks. No changes to code.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 7556bd9aa5db1b9cd92d0e48effcda9fe96f3128
User & Date: drh 2014-08-08 18:26:20
Context
2014-08-11
13:53
Changes that will perhaps enable SQLite to work better on VxWorks. check-in: de27c742 user: drh tags: trunk
2014-08-08
18:26
Update requirements marks. No changes to code. check-in: 7556bd9a user: drh tags: trunk
17:49
Improvements to the way the query planner handles sorting costs, so that very large sorting costs do not overwhelm the loop costs. check-in: bdaa6947 user: drh tags: trunk
Changes
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Changes to src/resolve.c.

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            if( iCol==pTab->iPKey ){
              iCol = -1;
            }
            break;
          }
        }
        if( iCol>=pTab->nCol && sqlite3IsRowid(zCol) && HasRowid(pTab) ){
          /* IMP: R-24309-18625 */
          /* IMP: R-44911-55124 */
          iCol = -1;
        }
        if( iCol<pTab->nCol ){
          cnt++;
          if( iCol<0 ){
            pExpr->affinity = SQLITE_AFF_INTEGER;







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            if( iCol==pTab->iPKey ){
              iCol = -1;
            }
            break;
          }
        }
        if( iCol>=pTab->nCol && sqlite3IsRowid(zCol) && HasRowid(pTab) ){
          /* IMP: R-51414-32910 */
          /* IMP: R-44911-55124 */
          iCol = -1;
        }
        if( iCol<pTab->nCol ){
          cnt++;
          if( iCol<0 ){
            pExpr->affinity = SQLITE_AFF_INTEGER;

Changes to test/e_createtable.test.

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  2.2    "CREATE TABLE t5(a, b, c, PRIMARY KEY(c,b,a))"       {a b c}
  2.3    "CREATE TABLE t5(a, b INTEGER PRIMARY KEY, c)"       {b}
}

# EVIDENCE-OF: R-59124-61339 Each row in a table with a primary key must
# have a unique combination of values in its primary key columns.
#
# EVIDENCE-OF: R-39102-06737 If an INSERT or UPDATE statement attempts
# to modify the table content so that two or more rows feature identical
# primary key values, it is a constraint violation.
#
drop_all_tables
do_execsql_test 4.3.0 {
  CREATE TABLE t1(x PRIMARY KEY, y);
  INSERT INTO t1 VALUES(0,          'zero');
  INSERT INTO t1 VALUES(45.5,       'one');
  INSERT INTO t1 VALUES('brambles', 'two');







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  2.2    "CREATE TABLE t5(a, b, c, PRIMARY KEY(c,b,a))"       {a b c}
  2.3    "CREATE TABLE t5(a, b INTEGER PRIMARY KEY, c)"       {b}
}

# EVIDENCE-OF: R-59124-61339 Each row in a table with a primary key must
# have a unique combination of values in its primary key columns.
#
# EVIDENCE-OF: R-06471-16287 If an INSERT or UPDATE statement attempts
# to modify the table content so that two or more rows have identical
# primary key values, that is a constraint violation.
#
drop_all_tables
do_execsql_test 4.3.0 {
  CREATE TABLE t1(x PRIMARY KEY, y);
  INSERT INTO t1 VALUES(0,          'zero');
  INSERT INTO t1 VALUES(45.5,       'one');
  INSERT INTO t1 VALUES('brambles', 'two');

Changes to test/e_expr.test.

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do_execsql_test e_expr-10.3.3 { SELECT 'isn''t' }         {isn't}
do_execsql_test e_expr-10.3.4 { SELECT typeof('isn''t') } {text}

# EVIDENCE-OF: R-09593-03321 BLOB literals are string literals
# containing hexadecimal data and preceded by a single "x" or "X"
# character.
#
# EVIDENCE-OF: R-39344-59787 For example: X'53514C697465'
#
do_execsql_test e_expr-10.4.1 { SELECT typeof(X'0123456789ABCDEF') } blob
do_execsql_test e_expr-10.4.2 { SELECT typeof(x'0123456789ABCDEF') } blob
do_execsql_test e_expr-10.4.3 { SELECT typeof(X'0123456789abcdef') } blob
do_execsql_test e_expr-10.4.4 { SELECT typeof(x'0123456789abcdef') } blob
do_execsql_test e_expr-10.4.5 { SELECT typeof(X'53514C697465')     } blob








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do_execsql_test e_expr-10.3.3 { SELECT 'isn''t' }         {isn't}
do_execsql_test e_expr-10.3.4 { SELECT typeof('isn''t') } {text}

# EVIDENCE-OF: R-09593-03321 BLOB literals are string literals
# containing hexadecimal data and preceded by a single "x" or "X"
# character.
#
# EVIDENCE-OF: R-19836-11244 Example: X'53514C697465'
#
do_execsql_test e_expr-10.4.1 { SELECT typeof(X'0123456789ABCDEF') } blob
do_execsql_test e_expr-10.4.2 { SELECT typeof(x'0123456789ABCDEF') } blob
do_execsql_test e_expr-10.4.3 { SELECT typeof(X'0123456789abcdef') } blob
do_execsql_test e_expr-10.4.4 { SELECT typeof(x'0123456789abcdef') } blob
do_execsql_test e_expr-10.4.5 { SELECT typeof(X'53514C697465')     } blob