Examples with RDBMSStoreManager org.datanucleus.store.rdbms.RDBMSStoreManager used on opensource projects

Example 46 with RDBMSStoreManager

use of org.datanucleus.store.rdbms.RDBMSStoreManager 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 47 with RDBMSStoreManager

use of org.datanucleus.store.rdbms.RDBMSStoreManager in project datanucleus-rdbms by datanucleus.

the class TemporalHourMethod3 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();
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    funcArgs.add(exprFactory.newLiteral(stmt, mapping, "hour"));
    funcArgs.add(invokedExpr);
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "date_part", funcArgs);
}

Example 48 with RDBMSStoreManager

use of org.datanucleus.store.rdbms.RDBMSStoreManager 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 49 with RDBMSStoreManager

use of org.datanucleus.store.rdbms.RDBMSStoreManager in project datanucleus-rdbms by datanucleus.

the class TemporalHourMethod5 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();
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    funcArgs.add(exprFactory.newLiteral(stmt, mapping, "%H"));
    funcArgs.add(invokedExpr);
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "strftime", funcArgs);
}

Example 50 with RDBMSStoreManager

use of org.datanucleus.store.rdbms.RDBMSStoreManager in project datanucleus-rdbms by datanucleus.

the class TemporalMonthJavaMethod2 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, "MONTH_JAVA");
    SQLExpression one = ExpressionUtils.getLiteralForOne(stmt);
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping2 = storeMgr.getMappingManager().getMapping(String.class);
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    SQLExpression mm = exprFactory.newLiteral(stmt, mapping2, "MM");
    ArrayList funcArgs = new ArrayList();
    funcArgs.add(invokedExpr);
    funcArgs.add(mm);
    ArrayList funcArgs2 = new ArrayList();
    funcArgs2.add(new StringExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "TO_CHAR", funcArgs));
    // Delete one from the SQL "month" (origin=1) to be compatible with Java month (origin=0)
    NumericExpression numExpr = new NumericExpression(new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "TO_NUMBER", funcArgs2), Expression.OP_SUB, one);
    numExpr.encloseInParentheses();
    return numExpr;
}