@Override
@Test
public void testIfElseWithoutBeginAndWithoutCreateVirtualProcedurePrefix() {
String sql =
"BEGIN IF (x > 1) select 1; IF (x > 1) select 1; ELSE select 1; END"; //$NON-NLS-1$
String expected =
"BEGIN\nIF(x > 1)\nBEGIN\nSELECT 1;\nEND\nIF(x > 1)\nBEGIN\nSELECT 1;\nEND\nELSE\nBEGIN\nSELECT 1;\nEND\nEND"; //$NON-NLS-1$
QueryImpl query = getFactory().newQuery();
BaseExpression expr = getFactory().wrapExpression(getFactory().newConstant(1));
query.setSelect(getFactory().newSelect(Arrays.asList(expr))); // $NON-NLS-1$
CommandStatementImpl commandStmt = getFactory().newCommandStatement(query);
CompareCriteriaImpl criteria =
getFactory()
.newCompareCriteria(
getFactory().newElementSymbol("x"),
CriteriaOperator.Operator.GT,
getFactory().newConstant(1)); // $NON-NLS-1$
BlockImpl block = getFactory().newBlock();
block.addStatement(commandStmt);
IfStatementImpl ifStmt = getFactory().newIfStatement(criteria, block);
IfStatementImpl ifStmt1 = ifStmt.clone();
BlockImpl block2 = getFactory().newBlock();
block2.addStatement(commandStmt);
ifStmt1.setElseBlock(block2);
BlockImpl block3 = getFactory().newBlock();
block3.addStatement(ifStmt);
block3.addStatement(ifStmt1);
CreateProcedureCommandImpl command = getFactory().newCreateProcedureCommand();
command.setBlock(block3);
helpTest(sql, expected, command);
}
/** Drops the CREATE VIRTUAL PROCEDURE prefix */
@Override
@Test
public void testVirtualProcedure() {
ElementSymbolImpl x = getFactory().newElementSymbol("x");
String intType = new String("integer");
StatementImpl dStmt = getFactory().newDeclareStatement(x, intType);
GroupSymbolImpl g = getFactory().newGroupSymbol("m.g");
FromImpl from = getFactory().newFrom();
from.addGroup(g);
SelectImpl select = getFactory().newSelect();
ElementSymbolImpl c1 = getFactory().newElementSymbol("c1");
select.addSymbol(c1);
select.addSymbol(getFactory().newElementSymbol("c2"));
QueryImpl query = getFactory().newQuery(select, from);
x = getFactory().newElementSymbol("x");
c1 = getFactory().newElementSymbol("mycursor.c1");
StatementImpl assignmentStmt = getFactory().newAssignmentStatement(x, c1);
BlockImpl block = getFactory().newBlock();
block.addStatement(assignmentStmt);
BlockImpl ifBlock = getFactory().newBlock();
StatementImpl continueStmt = getFactory().newBranchingStatement(BranchingMode.CONTINUE);
ifBlock.addStatement(continueStmt);
CriteriaImpl crit =
getFactory().newCompareCriteria(x, Operator.GT, getFactory().newConstant(new Integer(5)));
IfStatementImpl ifStmt = getFactory().newIfStatement(crit, ifBlock);
block.addStatement(ifStmt);
String cursor = "mycursor";
LoopStatementImpl loopStmt = getFactory().newLoopStatement(block, query, cursor);
block = getFactory().newBlock();
block.addStatement(dStmt);
block.addStatement(loopStmt);
CommandStatementImpl cmdStmt = getFactory().newCommandStatement(query);
block.addStatement(cmdStmt);
CreateProcedureCommandImpl virtualProcedureCommand = getFactory().newCreateProcedureCommand();
virtualProcedureCommand.setBlock(block);
helpTest(
"BEGIN DECLARE integer x; LOOP ON (SELECT c1, c2 FROM m.g) AS mycursor BEGIN x=mycursor.c1; IF(x > 5) BEGIN CONTINUE; END END SELECT c1, c2 FROM m.g; END",
"BEGIN\nDECLARE integer x;\n"
+ "LOOP ON (SELECT c1, c2 FROM m.g) AS mycursor\nBEGIN\n"
+ "x = mycursor.c1;\nIF(x > 5)\nBEGIN\nCONTINUE;\nEND\nEND\n"
+ "SELECT c1, c2 FROM m.g;\nEND",
virtualProcedureCommand);
}