Examples with ValueString org.gridgain.internal.h2.value.ValueString used on opensource projects

Example 1 with ValueString

use of org.gridgain.internal.h2.value.ValueString in project ignite by apache.

the class GridSqlFunction method getSQL.

/**
 * {@inheritDoc}
 */
@Override
public String getSQL() {
    StatementBuilder buff = new StatementBuilder();
    if (schema != null)
        buff.append(Parser.quoteIdentifier(schema)).append('.');
    // We don't need to quote identifier as long as H2 never does so with function names when generating plan SQL.
    // On the other hand, quoting identifiers that also serve as keywords (like CURRENT_DATE() and CURRENT_DATE)
    // turns CURRENT_DATE() into "CURRENT_DATE"(), which is not good.
    buff.append(name);
    if (type == CASE) {
        buff.append(' ').append(child().getSQL());
        for (int i = 1, len = size() - 1; i < len; i += 2) {
            buff.append(" WHEN ").append(child(i).getSQL());
            buff.append(" THEN ").append(child(i + 1).getSQL());
        }
        if ((size() & 1) == 0)
            buff.append(" ELSE ").append(child(size() - 1).getSQL());
        return buff.append(" END").toString();
    }
    buff.append('(');
    switch(type) {
        case CAST:
        case CONVERT:
            assert size() == 1;
            String castType = resultType().sql();
            assert !F.isEmpty(castType) : castType;
            buff.append(child().getSQL());
            buff.append(type == CAST ? " AS " : ",");
            buff.append(castType);
            break;
        case EXTRACT:
            ValueString v = (ValueString) ((GridSqlConst) child(0)).value();
            buff.append(v.getString()).append(" FROM ").append(child(1).getSQL());
            break;
        case TABLE:
            for (int i = 0; i < size(); i++) {
                buff.appendExceptFirst(", ");
                GridSqlElement e = child(i);
                // id int = ?, name varchar = ('aaa', 'bbb')
                buff.append(Parser.quoteIdentifier(((GridSqlAlias) e).alias())).append(' ').append(e.resultType().sql()).append('=').append(e.child().getSQL());
            }
            break;
        default:
            for (int i = 0; i < size(); i++) {
                buff.appendExceptFirst(", ");
                buff.append(child(i).getSQL());
            }
    }
    return buff.append(')').toString();
}

Example 2 with ValueString

use of org.gridgain.internal.h2.value.ValueString in project h2database by h2database.

the class Function method getSQL.

@Override
public String getSQL() {
    StatementBuilder buff = new StatementBuilder(info.name);
    if (info.type == CASE) {
        if (args[0] != null) {
            buff.append(" ").append(args[0].getSQL());
        }
        for (int i = 1, len = args.length - 1; i < len; i += 2) {
            buff.append(" WHEN ").append(args[i].getSQL());
            buff.append(" THEN ").append(args[i + 1].getSQL());
        }
        if (args.length % 2 == 0) {
            buff.append(" ELSE ").append(args[args.length - 1].getSQL());
        }
        return buff.append(" END").toString();
    }
    buff.append('(');
    switch(info.type) {
        case CAST:
            {
                buff.append(args[0].getSQL()).append(" AS ").append(new Column(null, dataType, precision, scale, displaySize).getCreateSQL());
                break;
            }
        case CONVERT:
            {
                if (database.getMode().swapConvertFunctionParameters) {
                    buff.append(new Column(null, dataType, precision, scale, displaySize).getCreateSQL()).append(',').append(args[0].getSQL());
                } else {
                    buff.append(args[0].getSQL()).append(',').append(new Column(null, dataType, precision, scale, displaySize).getCreateSQL());
                }
                break;
            }
        case EXTRACT:
            {
                ValueString v = (ValueString) ((ValueExpression) args[0]).getValue(null);
                buff.append(v.getString()).append(" FROM ").append(args[1].getSQL());
                break;
            }
        default:
            {
                for (Expression e : args) {
                    buff.appendExceptFirst(", ");
                    buff.append(e.getSQL());
                }
            }
    }
    return buff.append(')').toString();
}

Example 3 with ValueString

use of org.gridgain.internal.h2.value.ValueString in project gridgain by gridgain.

the class ResultWithPaddedStrings method currentRow.

@Override
public Value[] currentRow() {
    int count = source.getVisibleColumnCount();
    Value[] row = Arrays.copyOf(source.currentRow(), count);
    for (int i = 0; i < count; i++) {
        TypeInfo type = source.getColumnType(i);
        if (type.getValueType() == Value.STRING_FIXED) {
            long precision = type.getPrecision();
            if (precision == Integer.MAX_VALUE) {
                // CHAR is CHAR(1)
                precision = 1;
            }
            String s = row[i].getString();
            if (s != null && s.length() < precision) {
                /*
                     * Use ValueString to avoid truncation of spaces. There is
                     * no difference between ValueStringFixed and ValueString
                     * for JDBC layer anyway.
                     */
                row[i] = ValueString.get(rightPadWithSpaces(s, MathUtils.convertLongToInt(precision)));
            }
        }
    }
    return row;
}

Example 4 with ValueString

use of org.gridgain.internal.h2.value.ValueString in project gridgain by gridgain.

the class GridSqlFunction method getSQL.

/**
 * {@inheritDoc}
 */
@Override
public String getSQL() {
    StringBuilder buff = new StringBuilder();
    if (schema != null) {
        Parser.quoteIdentifier(buff, schema, true);
        buff.append('.');
    }
    // We don't need to quote identifier as long as H2 never does so with function names when generating plan SQL.
    // On the other hand, quoting identifiers that also serve as keywords (like CURRENT_DATE() and CURRENT_DATE)
    // turns CURRENT_DATE() into "CURRENT_DATE"(), which is not good.
    buff.append(name);
    if (type == CASE) {
        buff.append(' ').append(child().getSQL());
        for (int i = 1, len = size() - 1; i < len; i += 2) {
            buff.append(" WHEN ").append(child(i).getSQL());
            buff.append(" THEN ").append(child(i + 1).getSQL());
        }
        if ((size() & 1) == 0)
            buff.append(" ELSE ").append(child(size() - 1).getSQL());
        return buff.append(" END").toString();
    }
    buff.append('(');
    switch(type) {
        case CAST:
        case CONVERT:
            assert size() == 1;
            String castType = resultType().sql();
            assert !F.isEmpty(castType) : castType;
            buff.append(child().getSQL());
            buff.append(type == CAST ? " AS " : ",");
            buff.append(castType);
            break;
        case EXTRACT:
            ValueString v = (ValueString) ((GridSqlConst) child(0)).value();
            buff.append(v.getString()).append(" FROM ").append(child(1).getSQL());
            break;
        case TABLE:
            for (int i = 0; i < size(); i++) {
                if (i > 0)
                    buff.append(", ");
                GridSqlElement e = child(i);
                // id int = ?, name varchar = ('aaa', 'bbb')
                Parser.quoteIdentifier(buff, ((GridSqlAlias) e).alias(), true);
                buff.append(' ').append(e.resultType().sql()).append('=').append(e.child().getSQL());
            }
            break;
        default:
            for (int i = 0; i < size(); i++) {
                if (i > 0)
                    buff.append(", ");
                buff.append(child(i).getSQL());
            }
    }
    return buff.append(')').toString();
}

Example 5 with ValueString

use of org.gridgain.internal.h2.value.ValueString in project gridgain by gridgain.

the class Function method getSQL.

@Override
public StringBuilder getSQL(StringBuilder builder, boolean alwaysQuote) {
    builder.append(info.name);
    if (info.type == CASE) {
        if (args[0] != null) {
            builder.append(' ');
            args[0].getSQL(builder, alwaysQuote);
        }
        for (int i = 1, len = args.length - 1; i < len; i += 2) {
            builder.append(" WHEN ");
            args[i].getSQL(builder, alwaysQuote);
            builder.append(" THEN ");
            args[i + 1].getSQL(builder, alwaysQuote);
        }
        if (args.length % 2 == 0) {
            builder.append(" ELSE ");
            args[args.length - 1].getSQL(builder, alwaysQuote);
        }
        return builder.append(" END");
    }
    boolean addParentheses = args.length > 0 || info.requireParentheses;
    if (addParentheses) {
        builder.append('(');
    }
    switch(info.type) {
        case CAST:
            {
                args[0].getSQL(builder, alwaysQuote).append(" AS ").append(new Column(null, type).getCreateSQL());
                break;
            }
        case CONVERT:
            {
                if (database.getMode().swapConvertFunctionParameters) {
                    builder.append(new Column(null, type).getCreateSQL()).append(',');
                    args[0].getSQL(builder, alwaysQuote);
                } else {
                    args[0].getSQL(builder, alwaysQuote).append(',').append(new Column(null, type).getCreateSQL());
                }
                break;
            }
        case EXTRACT:
            {
                ValueString v = (ValueString) ((ValueExpression) args[0]).getValue(null);
                builder.append(v.getString()).append(" FROM ");
                args[1].getSQL(builder, alwaysQuote);
                break;
            }
        default:
            writeExpressions(builder, args, alwaysQuote);
    }
    if (addParentheses) {
        builder.append(')');
    }
    return builder;
}