Run the following command to parse the year and month from the filename using Snowflake’s SPLIT_PART string function, then convert each of the resulting strings to a numeric value with TO_NUMBER. The command shows the columns if you were writing the table definition by hand: CREATE EXTERNAL...
If the data selected by the statement is less than a single file is created. Otherwise, multiple files are created. No rows will be split across file boundaries. If the data volume to be exported is larger than 25 GB, it is recommended to run multiple statements to export the data. ...
FIELD_DELIMITER = 'string' | NONE One or more singlebyte or multibyte characters that separate fields in an input file. Accepts common escape sequences or the following singlebyte or multibyte characters: Singlebyte characters Octal values (prefixed by \\) or hex values (prefixed by 0x or ...
函数签名中的measure_expr为分组中每个列的表达式,而delimiter为合并分割符。 而后面的over子句表明listagg是具有分析函数analyze funcation特性的。具体采用listagg有三个场景。 (ename,’ , ‘) within group (order byempno) from emp where deptno=30;LISTAGG(ENAME,’,’)WITHINGROUP( ——— ALLEN , WARD ...
sql=CREATE_TABLE_SQL_STRING, warehouse=SNOWFLAKE_WAREHOUSE, database=SNOWFLAKE_DATABASE, schema=SNOWFLAKE_SCHEMA, role=SNOWFLAKE_ROLE, ) # [START howto_operator_snowflake] snowflake_op_sql_str = SnowflakeOperator(task_id='snowflake_op_sql_str', sql=CREATE_TABLE_SQL_STRING) snowflake_op_...
_FILE_FORMAT EQ '(' (FORMAT_NAME EQ string) | (TYPE EQ ( CSV | JSON | AVRO | ORC | PARQUET | XML) format_type_options+) ')' ; copy_into_location : COPY INTO (internal_stage | external_stage | external_location) FROM ( object_name | '(' query_statement ')' )...