add base implementation to support insile check constr from field level

Author: VitaliiBedletskyi

forward_engineering/ddlProvider/ddlHelpers/constraintsHelper.js

@@ -100,6 +100,30 @@ const createKeyConstraint = (templates, isParentActivated) => keyData => {
 	};
 };
 
+/**
+ * Cleans the check constraint expression by removing surrounding parentheses and trimming whitespace.
+ * @param expression {string}
+ * @returns string
+ */
+const cleanCheckConstraint = (expression = '') => _.trim(expression).replace(/^\(([\s\S]*)\)$/, '$1');
+
+/**
+ * Creates an inline check constraint statement.
+ * @param checkConstraint {{
+ *     name?: string,
+ *     expression?: string,
+ *     noInherit?: boolean,
+ * }}
+ * @returns string
+ */
+const createInlineCheckConstraint = checkConstraint => {
+	if (!checkConstraint?.expression) {
+		return '';
+	}
+
+	return ` CHECK (${cleanCheckConstraint(checkConstraint.expression)})${checkConstraint?.noInherit ? ' NO INHERIT' : ''}`;
+};
+
 /**
  * @param tableName {string}
  * @param isParentActivated {boolean}
@@ -196,4 +220,6 @@ module.exports = {
 	dropKeyConstraint,
 	getConstraintsWarnings,
 	additionalPropertiesForForeignKey,
+	cleanCheckConstraint,
+	createInlineCheckConstraint,
 };

forward_engineering/ddlProvider/ddlProvider.js

@@ -26,6 +26,8 @@ const {
 	createKeyConstraint,
 	getConstraintsWarnings,
 	additionalPropertiesForForeignKey,
+	cleanCheckConstraint,
+	createInlineCheckConstraint,
 } = require('./ddlHelpers/constraintsHelper');
 const keyHelper = require('./ddlHelpers/keyHelper');
 const { getFunctionsScript } = require('./ddlHelpers/functionHelper');
@@ -222,6 +224,9 @@ module.exports = (baseProvider, options, app) => {
 			const defaultValue = !_.isUndefined(columnDefinition.default)
 				? ' DEFAULT ' + decorateDefault(type, columnDefinition.default, isArrayType)
 				: '';
+			const checkConstraint = columnDefinition.checkConstraint?.expression
+				? ' ' + this.createCheckConstraint(columnDefinition.checkConstraint).trim()
+				: '';
 			const generatedColumnClause =
 				columnDefinition.dbVersion >= 12 &&
 				columnDefinition.generatedColumn &&
@@ -241,6 +246,7 @@ module.exports = (baseProvider, options, app) => {
 					uniqueKey,
 					collation,
 					defaultValue,
+					checkConstraint,
 				}),
 				{
 					isActivated: columnDefinition.isActivated,
@@ -283,7 +289,7 @@ module.exports = (baseProvider, options, app) => {
 		createCheckConstraint(checkConstraint) {
 			return assignTemplates(templates.checkConstraint, {
 				name: checkConstraint.name ? `CONSTRAINT ${wrapInQuotes(checkConstraint.name)}` : '',
-				expression: _.trim(checkConstraint.expression).replace(/^\(([\s\S]*)\)$/, '$1'),
+				expression: cleanCheckConstraint(checkConstraint.expression),
 				noInherit: checkConstraint.noInherit ? ' NO INHERIT' : '',
 			});
 		},
@@ -630,6 +636,7 @@ module.exports = (baseProvider, options, app) => {
 				uniqueKeyOptions,
 				nullable: columnDefinition.nullable,
 				default: columnDefinition.default,
+				checkConstraint: jsonSchema.checkConstraint,
 				comment: jsonSchema.refDescription || jsonSchema.description || definitionJsonSchema.description,
 				isActivated: columnDefinition.isActivated,
 				scale: columnDefinition.scale,

forward_engineering/ddlProvider/templates.js

@@ -19,7 +19,7 @@ module.exports = {
 	generatedColumnClause: ' GENERATED ALWAYS AS (${generationExpression}) STORED',
 
 	columnDefinition:
-		'${name} ${type}${collation}${generatedColumnClause}${primaryKey}${uniqueKey}${defaultValue}${notNull}',
+		'${name} ${type}${collation}${generatedColumnClause}${primaryKey}${uniqueKey}${defaultValue}${notNull}${checkConstraint}',
 
 	checkConstraint: '${name} CHECK (${expression})${noInherit}',