TableViewtemporarySourceTableView=createTemporarySessionView(command.getQueryAlias(),querySQLOutput[0],columnTemplateList,false/*no recursion*/,false/* do not add to session*/);
TableViewtemporarySourceTableView=createTemporarySessionView(command.getQueryAlias(),querySQLOutput[0],columnTemplateList,false/*no recursion*/,false/* do not add to session*/);
privatestaticfinalStringGATHER_ORDERED_RESULTS_SQL="SELECT ID, NAME FROM PARENT ORDER BY ID ASC";
privatestaticinttriggerTestingUpdateCount=0;
...
...
@@ -34,7 +34,7 @@ public class TestMergeUsing extends TestBase implements Trigger {
@Override
publicvoidtest()throwsException{
// Simple ID,NAME inserts, target table with PK initially empty
testMergeUsing(
"CREATE TABLE PARENT(ID INT, NAME VARCHAR, PRIMARY KEY(ID) );",
...
...
@@ -117,8 +117,8 @@ public class TestMergeUsing extends TestBase implements Trigger {
GATHER_ORDERED_RESULTS_SQL,
"SELECT X AS ID, 'Marcy'||X||X AS NAME FROM SYSTEM_RANGE(2,2) UNION ALL SELECT X AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(3,3)",
3
);
);
// Only insert clause, no update or delete clauses
testMergeUsing(
"CREATE TABLE PARENT AS (SELECT X AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(1,1) );"+
...
...
@@ -146,8 +146,8 @@ public class TestMergeUsing extends TestBase implements Trigger {
"SELECT X AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(1,1) WHERE X<0",
2
);
// Duplicate source keys but different ROWID update - so no error
// SQL standard says duplicate or repeated updates of same row in same statement should cause errors - but because first row is updated, deleted (on source row 1) then inserted (on source row 2)
// Duplicate source keys but different ROWID update - so no error
// SQL standard says duplicate or repeated updates of same row in same statement should cause errors - but because first row is updated, deleted (on source row 1) then inserted (on source row 2)
// it's considered different - with respect to to ROWID - so no error
// One insert, one update one delete happens (on same row) , target table missing PK, no source or target alias
testMergeUsing(
...
...
@@ -158,7 +158,7 @@ public class TestMergeUsing extends TestBase implements Trigger {
"SELECT 1 AS ID, 'Marcy'||X||X UNION ALL SELECT 1 AS ID, 'Marcy2'",
2
);
// Multiple update on same row: SQL standard says duplicate or repeated updates in same statement should cause errors -but because first row is updated, delete then insert it's considered different
// One insert, one update one delete happens (on same row, which is okay), then another update (which is illegal)target table missing PK, no source or target alias
testMergeUsingException(
...
...
@@ -179,7 +179,7 @@ public class TestMergeUsing extends TestBase implements Trigger {
"SELECT X AS ID, 'Marcy'||X||X AS NAME FROM SYSTEM_RANGE(2,2) UNION ALL SELECT X AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(3,3)",
3,
"Duplicate key updated 3 rows at once, only 1 expected"
);
);
// Missing target columns in ON expression
testMergeUsingException(
"CREATE TABLE PARENT AS (SELECT 1 AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(1,3) );"+
...
...
@@ -189,7 +189,7 @@ public class TestMergeUsing extends TestBase implements Trigger {
"SELECT X AS ID, 'Marcy'||X||X AS NAME FROM SYSTEM_RANGE(2,2) UNION ALL SELECT X AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(3,3)",
3,
"No references to target columns found in ON clause"
);
);
// Missing source columns in ON expression
testMergeUsingException(
"CREATE TABLE PARENT AS (SELECT 1 AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(1,3) );"+
...
...
@@ -199,7 +199,7 @@ public class TestMergeUsing extends TestBase implements Trigger {
"SELECT X AS ID, 'Marcy'||X||X AS NAME FROM SYSTEM_RANGE(2,2) UNION ALL SELECT X AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(3,3)",
3,
"No references to source columns found in ON clause"
);
);
// Insert does not insert correct values with respect to ON condition (inserts ID value above 100, instead)
testMergeUsingException(
"CREATE TABLE PARENT AS (SELECT 1 AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(4,4) );"+
...
...
@@ -209,7 +209,7 @@ public class TestMergeUsing extends TestBase implements Trigger {
"SELECT X AS ID, 'Marcy'||X AS NAME FROM SYSTEM_RANGE(4,4)",
1,
"Expected to find key after row inserted, but none found. Insert does not match ON condition."
);
);
// One insert, one update one delete happens, target table missing PK, triggers update all NAME fields
triggerTestingUpdateCount=0;
testMergeUsing(
...
...
@@ -219,7 +219,7 @@ public class TestMergeUsing extends TestBase implements Trigger {
GATHER_ORDERED_RESULTS_SQL,
"SELECT 2 AS ID, 'Marcy22-updated2' AS NAME UNION ALL SELECT X AS ID, 'Marcy'||X||'-inserted'||X AS NAME FROM SYSTEM_RANGE(3,4)",
4
);
);
}
/**
...
...
@@ -243,20 +243,20 @@ public class TestMergeUsing extends TestBase implements Trigger {
try{
stat=conn.createStatement();
stat.execute(setupSQL);
prep=conn.prepareStatement(statementUnderTest);
rowCountUpdate=prep.executeUpdate();
// compare actual results from SQL resultsset with expected results - by diffing (aka set MINUS operation)
// compare actual results from SQL resultset with expected results - by diffing (aka set MINUS operation)
rs=stat.executeQuery("( "+gatherResultsSQL+" ) MINUS ( "+expectedResultsSQL+" )");
