Skip to main content
Version: devel

destinations.impl.lancedb.utils

fill_empty_source_column_values_with_placeholder​

def fill_empty_source_column_values_with_placeholder(
        table: pa.Table, source_columns: List[str],
        placeholder: str) -> pa.Table

[view_source]

Replaces empty strings and null values in the specified source columns of an Arrow table with a placeholder string.

Arguments:

  • table pa.Table - The input Arrow table.
  • source_columns List[str] - A list of column names to replace empty strings and null values in.
  • placeholder str - The placeholder string to use for replacement.

Returns:

  • pa.Table - The modified Arrow table with empty strings and null values replaced in the specified columns.

This demo works on codespaces. Codespaces is a development environment available for free to anyone with a Github account. You'll be asked to fork the demo repository and from there the README guides you with further steps.
The demo uses the Continue VSCode extension.

Off to codespaces!

DHelp

Ask a question

Welcome to "Codex Central", your next-gen help center, driven by OpenAI's GPT-4 model. It's more than just a forum or a FAQ hub – it's a dynamic knowledge base where coders can find AI-assisted solutions to their pressing problems. With GPT-4's powerful comprehension and predictive abilities, Codex Central provides instantaneous issue resolution, insightful debugging, and personalized guidance. Get your code running smoothly with the unparalleled support at Codex Central - coding help reimagined with AI prowess.