HCK-9036: remove mandatory quoting for default value (#43)

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<table>
<td>
<a href="https://hackolade.atlassian.net/browse/HCK-9036"
title="HCK-9036" target="_blank"><img alt="Sub-bug"
src="https://hackolade.atlassian.net/rest/api/2/universal_avatar/view/type/issuetype/avatar/10303?size=medium"
/>HCK-9036</a> [DB2] Unexpected quotation of table columns default
values
  </td></table>
  <br />
 

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forward_engineering/ddlProvider/ddlHelpers/columnDefinition/getColumnDefault.js

@@ -35,16 +35,6 @@ const getIdentityOptions = ({ start, increment, minValue, maxValue, cycle }) =>
 	return [startWith, incrementBy, cycle, minimumValue, maximumValue].filter(Boolean).join(', ');
 };
 
-/**
- * @param {{ defaultValue: DefaultValue, type: string }}
- * @returns {DefaultValue}
- */
-const wrapInQuotesDefaultValue = ({ defaultValue, type }) => {
-	const isStringDataType = STRING_DATA_TYPES.includes(toUpper(type));
-
-	return isStringDataType ? wrapInSingleQuotes({ name: defaultValue }) : defaultValue;
-};
-
 /**
  * @param {{ default?: DefaultValue, identity?: object }}
  * @returns {string}
@@ -59,9 +49,7 @@ const getColumnDefault = ({ default: defaultValue, identity, type }) => {
 	}
 
 	if (defaultValue || defaultValue === 0) {
-		const value = wrapInQuotesDefaultValue({ defaultValue, type });
-
-		return ` WITH DEFAULT ${value}`;
+		return ` WITH DEFAULT ${defaultValue}`;
 	}
 	return '';
 };