evadb.EvaDBCursor.table#

EvaDBCursor.table(table_name: str, chunk_size: Optional[int] = None, chunk_overlap: Optional[int] = None) → EvaDBQuery[source]#

Retrieves data from a table in the database.

Parameters:

  • table_name (str) – The name of the table to retrieve data from.

  • chunk_size (int, optional) – The size of the chunk to break the document into. Only valid for DOCUMENT tables. If not provided, the default value is 4000.

  • chunk_overlap (int, optional) – The overlap between consecutive chunks. Only valid for DOCUMENT tables. If not provided, the default value is 200.

Returns:

An EvaDBQuery object representing the table query.

Return type:

EvaDBQuery

Examples

>>> relation = cursor.table("sample_table")
>>> relation = cursor.select('*')
>>> relation.df()
   col1  col2
0     1     2
1     3     4
2     5     6

Read a document table using chunk_size 100 and chunk_overlap 10.

>>> relation = cursor.table("doc_table", chunk_size=100, chunk_overlap=10)