Examples with NumericExpression org.datanucleus.store.rdbms.sql.expression.NumericExpression used on opensource projects

Example 16 with NumericExpression

use of org.datanucleus.store.rdbms.sql.expression.NumericExpression in project datanucleus-rdbms by datanucleus.

the class TemporalSecondMethod3 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "SECOND");
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping = storeMgr.getMappingManager().getMapping(String.class);
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    SQLExpression day = exprFactory.newLiteral(stmt, mapping, "second");
    ArrayList funcArgs = new ArrayList();
    funcArgs.add(day);
    funcArgs.add(invokedExpr);
    NumericExpression secondExpr = new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "date_part", funcArgs);
    List castArgs = new ArrayList();
    castArgs.add(secondExpr);
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(Integer.class, true), "CAST", castArgs, asList("INTEGER"));
}

Example 17 with NumericExpression

use of org.datanucleus.store.rdbms.sql.expression.NumericExpression in project datanucleus-rdbms by datanucleus.

the class TemporalSecondMethod5 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "SECOND");
    List secondArgs = new ArrayList();
    secondArgs.add(invokedExpr);
    NumericExpression secondExpr = new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "SECOND", secondArgs);
    List castArgs = new ArrayList();
    castArgs.add(secondExpr);
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(Integer.class, true), "CAST", castArgs, asList("INTEGER"));
}

Example 18 with NumericExpression

use of org.datanucleus.store.rdbms.sql.expression.NumericExpression in project datanucleus-rdbms by datanucleus.

the class TemporalHourMethod2 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "HOUR");
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping = storeMgr.getMappingManager().getMapping(String.class);
    ArrayList funcArgs = new ArrayList();
    funcArgs.add(invokedExpr);
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    funcArgs.add(exprFactory.newLiteral(stmt, mapping, "HH24"));
    ArrayList funcArgs2 = new ArrayList();
    funcArgs2.add(new StringExpression(stmt, mapping, "TO_CHAR", funcArgs));
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "TO_NUMBER", funcArgs2);
}

Example 19 with NumericExpression

use of org.datanucleus.store.rdbms.sql.expression.NumericExpression in project datanucleus-rdbms by datanucleus.

the class TemporalHourMethod4 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "HOUR");
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping = storeMgr.getMappingManager().getMapping(String.class);
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    SQLExpression hh = exprFactory.newLiteral(stmt, mapping, "hh");
    ((StringLiteral) hh).generateStatementWithoutQuotes();
    ArrayList funcArgs = new ArrayList();
    funcArgs.add(hh);
    // CAST {invokedExpr} AS DATETIME
    List castArgs = new ArrayList<>();
    castArgs.add(invokedExpr);
    funcArgs.add(new TemporalExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(Date.class), "CAST", castArgs, asList("DATETIME")));
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "DATEPART", funcArgs);
}

Example 20 with NumericExpression

use of org.datanucleus.store.rdbms.sql.expression.NumericExpression in project datanucleus-rdbms by datanucleus.

the class TemporalIsoYearMethod method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "ISOYEAR");
    invokedExpr.toSQLText().prepend("ISOYEAR FROM ");
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "EXTRACT", List.of(invokedExpr));
}