Jin Kwon ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiODQwNzU2MGI4... ) / Improvement ( https://hibernate.atlassian.net/browse/HHH-15596?atlOrigin=eyJpIjoiODQwNz... ) HHH-15596 ( https://hibernate.atlassian.net/browse/HHH-15596?atlOrigin=eyJpIjoiODQwNz... ) Invalid column alias on @JoinFormula ( https://hibernate.atlassian.net/browse/HHH-15596?atlOrigin=eyJpIjoiODQwNz... ) Change By: Jin Kwon ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) I need to query look like this. {noformat}select psaer.excel_row_seq as excel_ro1_156_0_, psaer.excel_row_no as excel_ro2_156_0_, psaer.prod_info_batch_excel_seq as prod_inf3_156_0_, psaer.prod_no as prod_no4_156_0_, psaer.row_msg as row_msg5_156_0_, psaer.row_status as row_stat6_156_0_, IF(psaer.prod_no REGEXP '[^[:digit:]]+', NULL, psaer.prod_no) as formula88_0_ from prod_status_active_excel_row psaer ; {noformat} When I do with following code, {noformat}    @Nullable @Valid @NotFound(action = NotFoundAction.IGNORE) // -> EAGER! //    @JoinFormula("CASE " //                 + " WHEN " + MappedProdStatusActiveExcelRow.COLUMN_NAME_PROD_NO + " REGEXP '[^[:digit:]]+'" //                 + " THEN NULL" //                 + " ELSE " + MappedProdStatusActiveExcelRow.COLUMN_NAME_PROD_NO //                 + " END") @JoinFormula("IF(" + MappedProdStatusActiveExcelRow.COLUMN_NAME_PROD_NO + " REGEXP '[^[:digit:]]+'" + ", NULL" + ", " + MappedProdStatusActiveExcelRow.COLUMN_NAME_PROD_NO + ")") @ManyToOne(optional = true, fetch = FetchType.LAZY) //    @JoinColumn(name = COLUMN_NAME_PROD_NO, nullable = true, insertable = false, updatable = false, //                foreignKey = @ForeignKey(ConstraintMode.NO_CONSTRAINT)) @EqualsAndHashCode.Exclude @ToString.Exclude private Prod prod;{noformat} Hibernate seems generate sql look like this. {noformat}select prodstatus0_.excel_row_seq as excel_ro1_156_0_, prodstatus0_.excel_row_no as excel_ro2_156_0_, prodstatus0_.prod_info_batch_excel_seq as prod_inf3_156_0_, prodstatus0_.prod_no as prod_no4_156_0_, prodstatus0_.row_msg as row_msg5_156_0_, prodstatus0_.row_status as row_stat6_156_0_, IF(prodstatus0_.`prod_no`    prodstatus0_.REGEXP '[^[:digit:]]+', -- column alias? NULL, prodstatus0_.prod_no) as formula88_0_ from prod_status_active_excel_row prodstatus0_ ...{noformat} The column alias between {{IF(prodstatus0_.\`prod_no`}} and {{REGEX ..}} seems wrong. What can I do for this? Thanks. ( https://hibernate.atlassian.net/browse/HHH-15596#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15596#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100208- sha1:399748d )