clisqlshell: don't process \p and \r in multi-line editors

Release note: None

pkg/cli/clisqlshell/editor.go

@@ -25,6 +25,7 @@ type editor interface {
 	addHistory(line string) error
 	canPrompt() bool
 	setPrompt(prompt string)
+	multilineEdit() bool
 }
 
 type sqlShell interface {

pkg/cli/clisqlshell/editor_bubbline.go

@@ -85,6 +85,10 @@ func (b *bubblineReader) canPrompt() bool {
 	return true
 }
 
+func (b *bubblineReader) multilineEdit() bool {
+	return false
+}
+
 func (b *bubblineReader) setPrompt(prompt string) {
 	b.ins.Prompt = prompt
 }

pkg/cli/clisqlshell/editor_bufio.go

@@ -61,6 +61,10 @@ func (b *bufioReader) setPrompt(prompt string) {
 	}
 }
 
+func (b *bufioReader) multilineEdit() bool {
+	return false
+}
+
 func (b *bufioReader) getLine() (string, error) {
 	fmt.Fprint(b.wout, b.prompt)
 	l, err := b.buf.ReadString('\n')

pkg/cli/clisqlshell/editor_editline.go

@@ -107,6 +107,10 @@ func (b *editlineReader) setPrompt(prompt string) {
 	b.ins.SetLeftPrompt(prompt)
 }
 
+func (b *editlineReader) multilineEdit() bool {
+	return false
+}
+
 func (b *editlineReader) GetCompletions(word string) []string {
 	if b.sql.inCopy() {
 		return []string{word + "\t"}

pkg/cli/clisqlshell/sql.go

@@ -1247,16 +1247,28 @@ func (c *cliState) doHandleCliCmd(loopState, nextState cliStateEnum) cliStateEnu
 		return c.runOpen(cmd[1:], loopState, errState)
 
 	case `\p`:
+		if c.ins.multilineEdit() {
+			fmt.Fprintln(c.iCtx.stderr, `warning: \p is ineffective with this editor`)
+			break
+		}
 		// This is analogous to \show but does not need a special case.
 		// Implemented for compatibility with psql.
 		fmt.Fprintln(c.iCtx.stdout, strings.Join(c.partialLines, "\n"))
 
 	case `\r`:
+		if c.ins.multilineEdit() {
+			fmt.Fprintln(c.iCtx.stderr, `warning: \r is ineffective with this editor`)
+			break
+		}
 		// Reset the input buffer so far. This is useful when e.g. a user
 		// got confused with string delimiters and multi-line input.
 		return cliStartLine
 
 	case `\show`:
+		if c.ins.multilineEdit() {
+			fmt.Fprintln(c.iCtx.stderr, `warning: \show is ineffective with this editor`)
+			break
+		}
 		fmt.Fprintln(c.iCtx.stderr, `warning: \show is deprecated. Use \p.`)
 		if len(c.partialLines) == 0 {
 			fmt.Fprintf(c.iCtx.stderr, "No input so far. Did you mean SHOW?\n")