implement portable integer division for Informix

Author: gavinking

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixSqlAstTranslator.java

@@ -14,6 +14,7 @@
 import org.hibernate.sql.ast.spi.SqlAstTranslatorWithMerge;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSearchedExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSimpleExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
@@ -314,4 +315,12 @@ protected void visitCaseSearchedExpression(CaseSearchedExpression caseSearchedEx
 	protected void visitCaseSimpleExpression(CaseSimpleExpression caseSimpleExpression, boolean inSelect) {
 		visitAnsiCaseSimpleExpression( caseSimpleExpression, this::caseArgument );
 	}
+
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		if ( isIntegerDivisionEmulationRequired( arithmeticExpression ) ) {
+			appendSql( "floor" );
+		}
+		super.visitBinaryArithmeticExpression( arithmeticExpression );
+	}
 }