jodd-db/src/main/java/jodd/db/oom/sqlgen/chunks/SqlChunk.java
protected void appendMissingSpace(final StringBuilder out) {
		int len = out.length();
		if (len == 0) {
			return;
		}
		len--;
		if (!CharUtil.isWhitespace(out.charAt(len))) {
			out.append(' ');
		}
	}
protected void appendMissingSpace(final StringBuilder out) {
		int len = out.length();
		if (len == 0) {
			return;
		}
		len--;
		if (!CharUtil.isWhitespace(out.charAt(len))) {
			out.append(' ');
		}
	}
Appends missing space if the output doesn't end with whitespace.