Through a select returns a string with the SQL clause IN. The clause IN contains all the values obtained in the select for the first column of this.

1 sql.toIN

<sql.toIN>
    <select /> !
</sql.toIN>

Arguments
Name	Type	Required	Unique	Nullable	Description
Eselect	string				Sentence SQL in baseto which the IN string is obtained.

Returns
Type	Description
string	Returns a sql string with the sintaxis of a IN SQL clause.

Example

Obtain a IN condition with all the codes of employers with OFIC categorie.

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<xsql-script name='sql_toIN_sample'>
    <body>
<!--
        CREATE TABLE employers
           (
               emp_code      CHAR(10) NOT NULL,
               emp_name      VARCHAR(10),
               emp_age       SMALLINT NOT NULL,
               emp_category  CHAR(4) NOT NULL,
               emp_calendar  CHAR(4) NOT NULL
           );

        CREATE UNIQUE INDEX p_employers ON employers(emp_code);
        ALTER TABLE employers ADD CONSTRAINT PRIMARY KEY (emp_code);
-->
        <insert table='employers'>
            <column name='emp_code'>E0001</column>
            <column name='emp_name'><string>Jose Luís García Jurado</string></column>
            <column name='emp_age'>45</column>
            <column name='emp_category'>OFIC</column>
            <column name='emp_calendar'>C1</column>
        </insert>
        <insert table='employers'>
            <column name='emp_code'>E0002</column>
            <column name='emp_name'><string>Antonio Abadia Ávisl</string></column>
            <column name='emp_age'>41</column>
            <column name='emp_category'>OFIC</column>
            <column name='emp_calendar'>C1</column>
        </insert>
        <insert table='employers'>
            <column name='emp_code'>E0003</column>
            <column name='emp_name'><string>Asensio Ruiz Guijano</string></column>
            <column name='emp_age'>33</column>
            <column name='emp_category'>OFIC</column>
            <column name='emp_calendar'>C2</column>
        </insert>
        <insert table='employers'>
            <column name='emp_code'>E0004</column>
            <column name='emp_name'><string>Rosana Pérez Gispert</string></column>
            <column name='emp_age'>33</column>
            <column name='emp_category'>OFIC</column>
            <column name='emp_calendar'>C2</column>
        </insert>

        <set name='m_sqlcond'>
            <sql.toIN>
                <select>
                    <columns>emp_code</columns>
                    <from table='employers' />
                    <where>
                        emp_category = 'OFIC'
                    </where>
                </select>
            </sql.toIN>
        </set>
        
        <println>SQLCOND: <m_sqlcond /></println>
    </body>
</xsql-script>

Result of the execution:

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SQLCOND: IN ('E0001','E0002','E0003','E0004')