Dollar quoted string constants

README.md

@@ -550,7 +550,6 @@ This is required for some SQL operations that cannot be run within a transaction
   - `returns` _[string]_ - returns clause
   - `language` _[string]_ - language name of function definition
   - `replace` _[boolean]_ - create or replace function
-  - `delimiter` _[string]_ - delimiter for definition
   - `window` _[boolean]_ - window function
   - `behavior` _[string]_ - `IMMUTABLE`, `STABLE`, or `VOLATILE`
   - `onNull` _[boolean]_ - `RETURNS NULL ON NULL INPUT`

lib/operations/functions.js

@@ -34,7 +34,6 @@ export const create = (type_shorthands) => {
     const {
       replace,
       returns = 'void',
-      delimiter = '$$',
       language,
       window,
       behavior = 'VOLATILE',
@@ -62,9 +61,7 @@ export const create = (type_shorthands) => {
 
     return template`CREATE${replace ? ' OR REPLACE' : ''} FUNCTION "${function_name}"${formatParams(function_params, type_shorthands)}
   RETURNS ${returns}
-  AS ${delimiter}
-${definition}
-${delimiter}
+  AS ${escapeValue(definition)}
   ${options.join('\n  ')};`;
   };
 

lib/utils.js

@@ -35,7 +35,13 @@ export const escapeValue = (val) => {
     return val.toString();
   }
   if (typeof val === 'string') {
-    return `'${escape(val)}'`;
+    let dollars;
+    let index = 0;
+    do {
+      index += 1;
+      dollars = `$pg${index}$`;
+    } while (val.indexOf(dollars) >= 0);
+    return `${dollars}${val}${dollars}`;
   }
   if (typeof val === 'number') {
     return val;