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    <title>topic Cannot resolve due to data type mismatch: incompatible types (&amp;quot;STRING&amp;quot; and ARRAY&amp;lt;STRING&amp;gt; in Data Engineering</title>
    <link>https://community.databricks.com/t5/data-engineering/cannot-resolve-due-to-data-type-mismatch-incompatible-types-quot/m-p/61485#M31807</link>
    <description>&lt;P&gt;hey i have this error from a while :&amp;nbsp;&lt;BR /&gt;&lt;SPAN&gt;Cannot resolve "(needed_skill_id = needed_skill_id)" due to data type mismatch: the left and right operands of the binary operator have incompatible types ("STRING" and "ARRAY&amp;lt;STRING&amp;gt;"). SQLSTATE: 42K09;&lt;/SPAN&gt;&lt;BR /&gt;and these are the lines responsible for that :&amp;nbsp;&lt;/P&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp;to_update &lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt; current_link_df&lt;/SPAN&gt;&lt;SPAN&gt;.where&lt;/SPAN&gt;&lt;SPAN&gt;(col(&lt;/SPAN&gt;&lt;SPAN&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;active&lt;/SPAN&gt;&lt;SPAN&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;) &lt;/SPAN&gt;&lt;SPAN&gt;==&lt;/SPAN&gt; &lt;SPAN&gt;True&lt;/SPAN&gt;&lt;SPAN&gt;).&lt;/SPAN&gt;&lt;SPAN&gt;join&lt;/SPAN&gt;&lt;SPAN&gt;(dataframe, [&lt;/SPAN&gt;&lt;SPAN&gt;"position_id"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"needed_skill_id"&lt;/SPAN&gt;&lt;SPAN&gt;], &lt;/SPAN&gt;&lt;SPAN&gt;how&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;"left_anti"&lt;/SPAN&gt;&lt;SPAN&gt;)&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; (&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; DeltaTable.&lt;/SPAN&gt;&lt;SPAN&gt;forName&lt;/SPAN&gt;&lt;SPAN&gt;(spark, table_name).&lt;/SPAN&gt;&lt;SPAN&gt;alias&lt;/SPAN&gt;&lt;SPAN&gt;(&lt;/SPAN&gt;&lt;SPAN&gt;"t"&lt;/SPAN&gt;&lt;SPAN&gt;)&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; .&lt;/SPAN&gt;&lt;SPAN&gt;merge&lt;/SPAN&gt;&lt;SPAN&gt;(to_update.&lt;/SPAN&gt;&lt;SPAN&gt;withColumn&lt;/SPAN&gt;&lt;SPAN&gt;(&lt;/SPAN&gt;&lt;SPAN&gt;"end_date"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;current_date&lt;/SPAN&gt;&lt;SPAN&gt;()).&lt;/SPAN&gt;&lt;SPAN&gt;alias&lt;/SPAN&gt;&lt;SPAN&gt;(&lt;/SPAN&gt;&lt;SPAN&gt;"s"&lt;/SPAN&gt;&lt;SPAN&gt;), &lt;/SPAN&gt;&lt;SPAN&gt;"s.position_id = t.position_id AND s.needed_skill_id = t.needed_skill_id")&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;Any idea ?&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;Thank you !!&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/DIV&gt;</description>
    <pubDate>Thu, 22 Feb 2024 15:01:25 GMT</pubDate>
    <dc:creator>oussValrho</dc:creator>
    <dc:date>2024-02-22T15:01:25Z</dc:date>
    <item>
      <title>Cannot resolve due to data type mismatch: incompatible types ("STRING" and ARRAY&lt;STRING&gt;</title>
      <link>https://community.databricks.com/t5/data-engineering/cannot-resolve-due-to-data-type-mismatch-incompatible-types-quot/m-p/61485#M31807</link>
      <description>&lt;P&gt;hey i have this error from a while :&amp;nbsp;&lt;BR /&gt;&lt;SPAN&gt;Cannot resolve "(needed_skill_id = needed_skill_id)" due to data type mismatch: the left and right operands of the binary operator have incompatible types ("STRING" and "ARRAY&amp;lt;STRING&amp;gt;"). SQLSTATE: 42K09;&lt;/SPAN&gt;&lt;BR /&gt;and these are the lines responsible for that :&amp;nbsp;&lt;/P&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp;to_update &lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt; current_link_df&lt;/SPAN&gt;&lt;SPAN&gt;.where&lt;/SPAN&gt;&lt;SPAN&gt;(col(&lt;/SPAN&gt;&lt;SPAN&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;active&lt;/SPAN&gt;&lt;SPAN&gt;"&lt;/SPAN&gt;&lt;SPAN&gt;) &lt;/SPAN&gt;&lt;SPAN&gt;==&lt;/SPAN&gt; &lt;SPAN&gt;True&lt;/SPAN&gt;&lt;SPAN&gt;).&lt;/SPAN&gt;&lt;SPAN&gt;join&lt;/SPAN&gt;&lt;SPAN&gt;(dataframe, [&lt;/SPAN&gt;&lt;SPAN&gt;"position_id"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;"needed_skill_id"&lt;/SPAN&gt;&lt;SPAN&gt;], &lt;/SPAN&gt;&lt;SPAN&gt;how&lt;/SPAN&gt;&lt;SPAN&gt;=&lt;/SPAN&gt;&lt;SPAN&gt;"left_anti"&lt;/SPAN&gt;&lt;SPAN&gt;)&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; (&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; DeltaTable.&lt;/SPAN&gt;&lt;SPAN&gt;forName&lt;/SPAN&gt;&lt;SPAN&gt;(spark, table_name).&lt;/SPAN&gt;&lt;SPAN&gt;alias&lt;/SPAN&gt;&lt;SPAN&gt;(&lt;/SPAN&gt;&lt;SPAN&gt;"t"&lt;/SPAN&gt;&lt;SPAN&gt;)&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; .&lt;/SPAN&gt;&lt;SPAN&gt;merge&lt;/SPAN&gt;&lt;SPAN&gt;(to_update.&lt;/SPAN&gt;&lt;SPAN&gt;withColumn&lt;/SPAN&gt;&lt;SPAN&gt;(&lt;/SPAN&gt;&lt;SPAN&gt;"end_date"&lt;/SPAN&gt;&lt;SPAN&gt;, &lt;/SPAN&gt;&lt;SPAN&gt;current_date&lt;/SPAN&gt;&lt;SPAN&gt;()).&lt;/SPAN&gt;&lt;SPAN&gt;alias&lt;/SPAN&gt;&lt;SPAN&gt;(&lt;/SPAN&gt;&lt;SPAN&gt;"s"&lt;/SPAN&gt;&lt;SPAN&gt;), &lt;/SPAN&gt;&lt;SPAN&gt;"s.position_id = t.position_id AND s.needed_skill_id = t.needed_skill_id")&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;Any idea ?&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;Thank you !!&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/DIV&gt;</description>
      <pubDate>Thu, 22 Feb 2024 15:01:25 GMT</pubDate>
      <guid>https://community.databricks.com/t5/data-engineering/cannot-resolve-due-to-data-type-mismatch-incompatible-types-quot/m-p/61485#M31807</guid>
      <dc:creator>oussValrho</dc:creator>
      <dc:date>2024-02-22T15:01:25Z</dc:date>
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