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package teradata;
import gudusoft.gsqlparser.*;
import gudusoft.gsqlparser.nodes.TDatatypeAttribute;
import gudusoft.gsqlparser.nodes.TExpression;
import gudusoft.gsqlparser.nodes.TTypeName;
import gudusoft.gsqlparser.nodes.teradata.TDataConversion;
import gudusoft.gsqlparser.nodes.teradata.TDataConversionItem;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
import junit.framework.TestCase;
public class testDataConversion extends TestCase {
public void test5 (){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "SELECT hire_date (time(6)) FROM Schema.table_name;";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TExpression expr = select.getResultColumnList().getResultColumn(0).getExpr();
assertTrue(expr.getExpressionType() == EExpressionType.simple_object_name_t);
// data conversion, only one conversion
assertTrue(expr.getDataConversions().size() == 1);
TDataConversion dataConversion = expr.getDataConversions().get(0);
// items in data conversion
assertTrue(dataConversion.getDataConversionItems().size() == 1);
// the first item in data conversion, here is the FORMAT data attribute
TDataConversionItem item = dataConversion.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataType);
TTypeName dataType = item.getDataType();
assertTrue(dataType.getDataType() == EDataType.time_t);
}
public void test4 (){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "select id + 1\n" +
"from hr.TimeInfo\n" +
"where id + 1 (integer) > 1";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TExpression expr = select.getWhereClause().getCondition().getLeftOperand();
// data conversion, only one conversion
assertTrue(expr.getDataConversions().size() == 1);
TDataConversion dataConversion = expr.getDataConversions().get(0);
// items in data conversion
assertTrue(dataConversion.getDataConversionItems().size() == 1);
// the first item in data conversion, here is the FORMAT data attribute
TDataConversionItem item = dataConversion.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataType);
TTypeName dataType = item.getDataType();
assertTrue(dataType.getDataType() == EDataType.integer_t);
}
public void test3(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "SELECT a*5+3 (NAMED X), x*2 (NAMED Y)\n" +
" FROM T;";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TExpression expr = select.getResultColumnList().getResultColumn(0).getExpr();
// data conversion, only one conversion
assertTrue(expr.getDataConversions().size() == 1);
TDataConversion dataConversion = expr.getDataConversions().get(0);
// items in data conversion
assertTrue(dataConversion.getDataConversionItems().size() == 1);
// the first item in data conversion, here is the FORMAT data attribute
TDataConversionItem item = dataConversion.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataAttribute);
TDatatypeAttribute datatypeAttribute = item.getDatatypeAttribute();
assertTrue(datatypeAttribute.getAttributeType() == EDataTypeAttribute.named_t);
}
public void test0(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "select col1 (DATE) from tab1";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TExpression expr = select.getResultColumnList().getResultColumn(0).getExpr();
// data conversion, only one conversion
assertTrue(expr.getDataConversions().size() == 1);
TDataConversion dataConversion = expr.getDataConversions().get(0);
// items in data conversion
assertTrue(dataConversion.getDataConversionItems().size() == 1);
// the first item in data conversion, here is the FORMAT data attribute
TDataConversionItem item = dataConversion.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataType);
TTypeName dataType = item.getDataType();
assertTrue(dataType.getDataType() == EDataType.date_t);
}
public void test1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "SELECT salary_amount (FORMAT '$,$$9,999.99') from t;";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TExpression expr = select.getResultColumnList().getResultColumn(0).getExpr();
// data conversion, only one conversion
assertTrue(expr.getDataConversions().size() == 1);
TDataConversion dataConversion = expr.getDataConversions().get(0);
// items in data conversion
assertTrue(dataConversion.getDataConversionItems().size() == 1);
// the first item in data conversion, here is the FORMAT data attribute
TDataConversionItem item = dataConversion.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataAttribute);
TDatatypeAttribute datatypeAttribute = item.getDatatypeAttribute();
assertTrue(datatypeAttribute.getAttributeType() == EDataTypeAttribute.format_t);
}
public void test2(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "select id (FORMAT '$,$$9,999.99' ) (Title 'abd') , myName (varchar(1),uppercase, CASESPECIFIC, Title 'ssss'), offset (interval year) \n" +
"from hr.TimeInfo;\n";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
// expr in the first column
TExpression expr0 = select.getResultColumnList().getResultColumn(0).getExpr();
// 2 data conversions
assertTrue(expr0.getDataConversions().size() == 2);
// first data conversion: (FORMAT '$,$$9,999.99' )
TDataConversion dataConversion0 = expr0.getDataConversions().get(0);
// items in data conversion
assertTrue(dataConversion0.getDataConversionItems().size() == 1);
// the first item in data conversion, here is the FORMAT data attribute
TDataConversionItem item = dataConversion0.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataAttribute);
TDatatypeAttribute datatypeAttribute = item.getDatatypeAttribute();
assertTrue(datatypeAttribute.getAttributeType() == EDataTypeAttribute.format_t);
// the second conversion: (Title 'abd')
TDataConversion dataConversion1 = expr0.getDataConversions().get(1);
// items in data conversion
assertTrue(dataConversion1.getDataConversionItems().size() == 1);
// the first item in data conversion, here is the FORMAT data attribute
item = dataConversion1.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataAttribute);
datatypeAttribute = item.getDatatypeAttribute();
assertTrue(datatypeAttribute.getAttributeType() == EDataTypeAttribute.title_t);
// expr in the second column
TExpression expr1 = select.getResultColumnList().getResultColumn(1).getExpr();
// 1 data conversion: (varchar(1),uppercase, CASESPECIFIC, Title 'ssss')
assertTrue(expr1.getDataConversions().size() == 1);
// first data conversion: (varchar(1),uppercase, CASESPECIFIC, Title 'ssss')
dataConversion0 = expr1.getDataConversions().get(0);
// items in data conversion
assertTrue(dataConversion0.getDataConversionItems().size() == 4);
// the first item in data conversion: varchar(1)
item = dataConversion0.getDataConversionItems().get(0);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataType);
TTypeName typeName = item.getDataType();
assertTrue(typeName.getDataType() == EDataType.varchar_t);
// the second item in data conversion: uppercase
item = dataConversion0.getDataConversionItems().get(1);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataAttribute);
datatypeAttribute = item.getDatatypeAttribute();
assertTrue(datatypeAttribute.getAttributeType() == EDataTypeAttribute.uppercase_t);
// the third item in data conversion: CASESPECIFIC
item = dataConversion0.getDataConversionItems().get(2);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataAttribute);
datatypeAttribute = item.getDatatypeAttribute();
assertTrue(datatypeAttribute.getAttributeType() == EDataTypeAttribute.casespecific_t);
// the fourth item in data conversion: Title 'ssss'
item = dataConversion0.getDataConversionItems().get(3);
assertTrue(item.getDataConversionType() == TDataConversionItem.EDataConversionype.dataAttribute);
datatypeAttribute = item.getDatatypeAttribute();
assertTrue(datatypeAttribute.getAttributeType() == EDataTypeAttribute.title_t);
}
}