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package teradata;
/*
* Date: 13-8-28
*/
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.EExpressionType;
import gudusoft.gsqlparser.EFunctionType;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.TCTE;
import gudusoft.gsqlparser.nodes.TExpression;
import gudusoft.gsqlparser.nodes.TFunctionCall;
import gudusoft.gsqlparser.nodes.teradata.TIndexDefinition;
import gudusoft.gsqlparser.stmt.TCreateTableSqlStatement;
import junit.framework.TestCase;
public class testCreateTable extends TestCase {
public void testIndexDefinitionCaseN(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "create table tst.table(\n" +
" col1 integer,\n" +
" CURR_IND char(1))\n" +
"PRIMARY INDEX BILLG_ACCT_NUPI ( col1 )\n" +
"PARTITION BY CASE_N(\n" +
"CURR_IND = 'Y',\n" +
"CURR_IND = 'N')\n";
assertTrue(sqlparser.parse() == 0);
TCreateTableSqlStatement createTable = (TCreateTableSqlStatement)sqlparser.sqlstatements.get(0);
assertTrue(createTable.getTableName().toString().equalsIgnoreCase("tst.table"));
assertTrue(createTable.getColumnList().size() == 2 );
TIndexDefinition indexDefinition = createTable.getIndexDefinitions().getElement(0);
assertTrue(indexDefinition.isPrimary());
assertTrue(!indexDefinition.isUnique());
assertTrue(indexDefinition.getIndexColumns().size() == 1);
assertTrue(indexDefinition.getIndexColumns().getObjectName(0).toString().equalsIgnoreCase("col1"));
assertTrue(indexDefinition.getPartitionExprList().size() == 1);
TExpression partitionExpr = indexDefinition.getPartitionExprList().getExpression(0);
assertTrue(partitionExpr.getExpressionType() == EExpressionType.function_t);
TFunctionCall functionCall = partitionExpr.getFunctionCall();
assertTrue(functionCall.getFunctionType() == EFunctionType.case_n_t);
TExpression arg0 = functionCall.getArgs().getExpression(0);
assertTrue(arg0.getLeftOperand().toString().equalsIgnoreCase("CURR_IND"));
assertTrue(arg0.getRightOperand().toString().equalsIgnoreCase("'Y'"));
}
public void testIndexDefinition(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "CREATE TABLE Sales\n" +
"(storeid INTEGER NOT NULL,\n" +
"productid INTEGER NOT NULL,\n" +
"salesdate DATE FORMAT 'yyyy-mm-dd' NOT NULL,\n" +
"totalrevenue DECIMAL(13,2),\n" +
"totalsold INTEGER,\n" +
"note VARCHAR(256))\n" +
"UNIQUE PRIMARY INDEX (storeid, productid, salesdate)\n" +
"PARTITION BY (\n" +
"RANGE_N(salesdate BETWEEN\n" +
"DATE '2002-01-01' AND DATE '2008-12-31'\n" +
"EACH INTERVAL '1' YEAR),\n" +
"RANGE_N(storeid BETWEEN 1 AND 300 EACH 100),\n" +
"RANGE_N(productid BETWEEN 1 AND 400 EACH 100));";
assertTrue(sqlparser.parse() == 0);
TCreateTableSqlStatement createTable = (TCreateTableSqlStatement)sqlparser.sqlstatements.get(0);
assertTrue(createTable.getTableName().toString().equalsIgnoreCase("Sales"));
assertTrue(createTable.getColumnList().size() == 6 );
TIndexDefinition indexDefinition = createTable.getIndexDefinitions().getElement(0);
assertTrue(indexDefinition.isPrimary());
assertTrue(indexDefinition.isUnique());
assertTrue(indexDefinition.getIndexColumns().size() == 3);
assertTrue(indexDefinition.getIndexColumns().getObjectName(0).toString().equalsIgnoreCase("storeid"));
assertTrue(indexDefinition.getPartitionExprList().size() == 3);
TExpression partitionExpr = indexDefinition.getPartitionExprList().getExpression(0);
assertTrue(partitionExpr.getExpressionType() == EExpressionType.function_t);
TFunctionCall functionCall = partitionExpr.getFunctionCall();
assertTrue(functionCall.getFunctionType() == EFunctionType.range_n_t);
TExpression betweenExpr = functionCall.getBetweenExpr();
assertTrue(betweenExpr.getBetweenOperand().toString().equalsIgnoreCase("salesdate"));
assertTrue(betweenExpr.getLeftOperand().toString().equalsIgnoreCase("DATE '2002-01-01'"));
assertTrue(betweenExpr.getRightOperand().toString().equalsIgnoreCase("DATE '2008-12-31'"));
TExpression rangSize = functionCall.getRangeSize();
//System.out.println(rangSize.toString());
assertTrue(rangSize.toString().equalsIgnoreCase("INTERVAL '1' YEAR"));
}
public void testSubquery(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "CREATE VOLATILE TABLE MYREC_V AS (\n" +
" WITH RECURSIVE MYREC( COL1) AS\n" +
" ( SELECT XX.COL1\n" +
" FROM (\n" +
" SELECT COL1,\n" +
" TRIM(MIN(CAST(CAST(L1_ID AS BIGINT) AS VARCHAR(100)))) AS COL2\n" +
" FROM DB2.TABLE2\n" +
" GROUP BY 1\n" +
" ) XX\n" +
" JOIN DB1.TABLE1 C\n" +
" ON XX.COL2 = C.COL2\n" +
" )\n" +
" SELECT COL1\n" +
" FROM MYREC\n" +
")WITH DATA PRIMARY INDEX(COL1) ON COMMIT PRESERVE ROWS;";
assertTrue(sqlparser.parse() == 0);
TCreateTableSqlStatement createTable = (TCreateTableSqlStatement)sqlparser.sqlstatements.get(0);
assertTrue(createTable.getTableName().toString().equalsIgnoreCase("MYREC_V"));
assertTrue(createTable.getSubQuery().getCteList().size() == 1);
TCTE cte = createTable.getSubQuery().getCteList().getCTE(0);
assertTrue(cte.getSubquery().toString().equalsIgnoreCase("( SELECT XX.COL1\n" +
" FROM (\n" +
" SELECT COL1,\n" +
" TRIM(MIN(CAST(CAST(L1_ID AS BIGINT) AS VARCHAR(100)))) AS COL2\n" +
" FROM DB2.TABLE2\n" +
" GROUP BY 1\n" +
" ) XX\n" +
" JOIN DB1.TABLE1 C\n" +
" ON XX.COL2 = C.COL2\n" +
" )"));
}
public void testTableKind() {
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "create volatile table schema.vt (id int, name varchar(1))";
assertTrue(sqlparser.parse() == 0);
TCreateTableSqlStatement createTable = (TCreateTableSqlStatement) sqlparser.sqlstatements.get(0);
assertTrue(createTable.getTableName().toString().equalsIgnoreCase("schema.vt"));
assertTrue(createTable.getTableKinds().toString().equalsIgnoreCase("[etkVolatile]"));
sqlparser.sqltext = "create table schema.vt (id int, name varchar(1));";
assertTrue(sqlparser.parse() == 0);
createTable = (TCreateTableSqlStatement) sqlparser.sqlstatements.get(0);
assertTrue(createTable.getTableName().toString().equalsIgnoreCase("schema.vt"));
assertTrue(createTable.getTableKinds().size() == 0);
sqlparser.sqltext = "create multiset volatile table vt (id int, name varchar(1));";
assertTrue(sqlparser.parse() == 0);
createTable = (TCreateTableSqlStatement) sqlparser.sqlstatements.get(0);
assertTrue(createTable.getTableName().toString().equalsIgnoreCase("vt"));
assertTrue(createTable.getTableKinds().toString().equalsIgnoreCase("[etkVolatile, etkMultiset]"));
}
}