Add --throttle option for batch mode pauses

changelog.md

@@ -25,6 +25,8 @@ Features
 * Allow history file location to be configured.
 * Make destructive-warning keywords configurable.
 * Smarter fuzzy completion matches.
+* Stream input from STDIN to consume less memory, adding `--noninteractive` and `--format=` CLI arguments.
+* Add `--throttle` option for batch mode.
 
 
 Bug Fixes

mycli/main.py

@@ -19,7 +19,7 @@
 from importlib import resources
 import itertools
 from random import choice
-from time import time
+from time import sleep, time
 from urllib.parse import parse_qs, unquote, urlparse
 
 from cli_helpers.tabular_output import TabularOutputFormatter, preprocessors
@@ -1536,6 +1536,7 @@ def get_last_query(self) -> str | None:
 @click.option(
     '--format', 'batch_format', type=click.Choice(['default', 'csv', 'tsv', 'table']), help='Format for batch or --execute output.'
 )
+@click.option('--throttle', type=float, default=0.0, help='Pause in seconds between queries in batch mode.')
 @click.pass_context
 def cli(
     ctx: click.Context,
@@ -1585,6 +1586,7 @@ def cli(
     password_file: str | None,
     noninteractive: bool,
     batch_format: str | None,
+    throttle: float,
 ) -> None:
     """A MySQL terminal client with auto-completion and syntax highlighting.
 
@@ -1909,6 +1911,8 @@ def cli(
             try:
                 if warn_confirmed:
                     mycli.run_query(stdin_text, new_line=True)
+                    if throttle:
+                        sleep(throttle)
             except Exception as e:
                 click.secho(str(e), err=True, fg="red")
                 sys.exit(1)