sql-metadata | Uses tokenized query returned by python-sqlparse | SQL Database library
kandi X-RAY | sql-metadata Summary
kandi X-RAY | sql-metadata Summary
Uses tokenized query returned by python-sqlparse and generates query metadata
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Top functions reviewed by kandi - BETA
- Return a list of SQL tokens
- Determine the closing parenthesis type
- Combine qualified names
- Combine two tokens
- List of column names
- Adds an alias to the columns aliases section
- Handle column save
- Adds column to section
- Dictionary of column alias aliases
- Find all columns between start_token and end_token
- Find a column alias for a given token
- Resolve an alias to a column
- Grain the query
- Return a dict of query_queries
- Return the query type
- Returns a list of the names of the tokens
- Dictionary of table aliases
- A dict of subqueries
- List of tables
- Return the column names
- List of subqueries names
- Return a list of column alias names
- List of values
- Checks if this column is an alias of this column
- Return True if this is a with statement
- Determine if the token is in a statement
sql-metadata Key Features
sql-metadata Examples and Code Snippets
Community Discussions
Trending Discussions on sql-metadata
QUESTION
I'm trying to ingest data from PostgreSQL to Druid using Firehose.
I have added druid.extensions.loadList=["postgresql-metadata-storage"]
in conf file, but the task fails throwing
java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to java.nio.ByteBuffer
ingestion spec file
...ANSWER
Answered 2019-Jul-12 at 11:58If anyone looking for the answer. We have to use map
parser when fetching data from SQL.This is the updated spec I'm using.
QUESTION
I am getting the error "Failed to submit supervisor: Request failed with status code 502" when I am trying to submit an ingestion spec to the druid UI (through the router). The ingestion spec works in a standalone druid server.
I have set up the cluster using 4 machines-1 for the coordinator and overlord (master), 1 for historical and middle manager (data), 1 for broker (query), and 1 for router, with a separate instance for zookeeper. There is no error in the logs.
The ingestion spec is as follows:
...ANSWER
Answered 2019-May-22 at 11:36It happened because the druid-kafka-indexing-service extension was missing from the extension list of common.runtime.properties.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install sql-metadata
You can use sql-metadata like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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