pip install python-sqlparser
The setup script will automatically download the right library (from sqlparser.com) for you.
Usage
Simply import the module with
import sqlparser
The following example will parse a simple query:
import sqlparser
query = "SELECT a, b FROM table_1 WHERE c > 20"
# Init a oracle sql parser
parser = sqlparser.Parser(vendor=2)
# Check for syntax errors
if parser.check_syntax(query) == 0:
# Get first statement from the query
stmt = parser.get_statement(0)
# Get root node
root = stmt.get_root()
print(root.__dict__)
And print the node information the SELECT node:
{"computeClause": None,
"cteList": None,
"expandOnClause": None,
"fetchFirstClause": None,
"forupdateClause": None,
"fromTableList": <sqlparser.Node object at 0x7ff48c5eed50>,
"groupByClause": None,
"hierarchicalClause": None,
"intoClause": None,
"intoTableClause": None,
"isolationClause": None,
"leftNode": None,
"limitClause": None,
"lockingClause": None,
"node_type": 5,
"optimizeForClause": None,
"orderbyClause": None,
"qualifyClause": None,
"resultColumnList": <sqlparser.Node object at 0x7ff48c5ee618>,
"rightNode": None,
"sampleClause": None,
"selectDistinct": None,
"selectToken": "SELECT",
"setOperator": 0,
"topClause": None,
"valueClause": None,
"whereCondition": <sqlparser.Node object at 0x7ff48c5eea78>,
"windowClause": None,
"withClauses": None}
Examples
For more examples please check the examples directory.
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