add change colum nominal_diameter type to integer instead of text

teksi · Feb 4, 2025 · 517ff89 · 517ff89
1 parent c2508f5
commit 517ff89
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/datamodel/changelogs/0001/05_add_vl_pipe_section_pipe_dn.sql b/datamodel/changelogs/0001/05_add_vl_pipe_section_pipe_dn.sql
@@ -1,4 +1,6 @@
+-- Change type of column -- see https://stackoverflow.com/questions/7162903/how-to-alter-a-columns-data-type-in-a-postgresql-table (version that allows to have already data in db)
 
+ALTER TABLE pipe_section ALTER COLUMN nominal_diameter TYPE integer USING (NULLIF(nominal_diameter, '')::integer);
  /*---------------------------------------------------------------------------------------*/
 /* AJOUT DE LA TABLE DES DIAMETRES NOMINAUX DE CONDUITES () */
 /*---------------------------------------------------------------------------------------*/