2 # Renaming an existing column_name to new_name.
3 # Create table t1(f1 int,f2 char(10));
4 # Alter table t1 rename column f2 to f3;
5 # Use csqldump before and after altering the table.
6 # See the schema of both situation should be consistent.
8 CREATEFILE
=${PWD}/sql
/Alter
/csql.conf
10 if [ -s "$CREATEFILE" ]
12 REL_PATH
=`pwd`/sql
/Alter
15 echo "create table t1(f1 int,f2 char(20));" >${REL_PATH}/createtable.sql
16 echo "insert into t1 values(1,'CSQL_LAKSHYA');" >>${REL_PATH}/createtable.sql
17 echo "echo alter table t1 rename column f2 to f3;" >${REL_PATH}/renamecolumn.sql
18 echo "alter table t1 rename column f2 to f3;" >>${REL_PATH}/renamecolumn.sql
19 echo "drop table t1;" >${REL_PATH}/dropt1.sql
21 $CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/dropt1.sql
>/dev
/null
2>&1
23 if [ "$VALGRIND" = "true" ]
25 valgrind
--tool=memcheck
--leak-check=full
$CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/createtable.sql
27 $CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/createtable.sql
30 $CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/dropt1.sql
31 rm -f ${REL_PATH}/createtable.sql
${REL_PATH}/renamecolumn.sql
32 rm -f ${REL_PATH}/dropt1.sql
37 $CSQL_INSTALL_ROOT/bin
/catalog
-u root
-p manager
-l >${REL_PATH}/beforealter
39 if [ "$VALGRIND" = "true" ]
41 valgrind
--tool=memcheck
--leak-check=full
$CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/renamecolumn.sql
43 $CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/renamecolumn.sql
46 $CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/dropt1.sql
47 rm -f ${REL_PATH}/createtable.sql
${REL_PATH}/renamecolumn.sql
48 rm -f ${REL_PATH}/dropt1.sql
${REL_PATH}/beforealter
53 $CSQL_INSTALL_ROOT/bin
/catalog
-u root
-p manager
-l >${REL_PATH}/afteralter
55 diff ${REL_PATH}/beforealter
${REL_PATH}/afteralter
56 $CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/dropt1.sql
59 $CSQL_INSTALL_ROOT/bin
/csql
-s ${REL_PATH}/dropt1.sql
60 rm -f ${REL_PATH}/createtable.sql
${REL_PATH}/renamecolumn.sql
61 rm -f ${REL_PATH}/dropt1.sql ${REL_PATH}/beforealter ${REL_PATH}/afteralter
64 rm -f ${REL_PATH}/createtable.sql
${REL_PATH}/renamecolumn.sql
65 rm -f ${REL_PATH}/dropt1.sql ${REL_PATH}/beforealter ${REL_PATH}/afteralter