sqlmesh/sqlmesh/migrations/v0016_fix_windows_path.py at e6cad2bd1292c281af1bdd58038e4cea04e52851 · SQLMesh/sqlmesh · GitHub

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"""Fix paths that have a Windows forward slash in them."""

import json

from sqlglot import exp

from sqlmesh.utils.migration import index_text_type


def migrate_ddl(state_sync, **kwargs):  # type: ignore
    pass


def migrate_dml(state_sync, **kwargs):  # type: ignore
    import pandas as pd

    engine_adapter = state_sync.engine_adapter
    schema = state_sync.schema
    snapshots_table = "_snapshots"
    if schema:
        snapshots_table = f"{schema}.{snapshots_table}"

    new_snapshots = []

    for name, identifier, version, snapshot, kind_name in engine_adapter.fetchall(
        exp.select("name", "identifier", "version", "snapshot", "kind_name").from_(snapshots_table),
        quote_identifiers=True,
    ):
        parsed_snapshot = json.loads(snapshot)
        model = parsed_snapshot["model"]
        python_env = model.get("python_env")
        if python_env:
            for py_definition in python_env.values():
                path = py_definition.get("path")
                if path:
                    py_definition["path"] = path.replace("\\", "/")

        new_snapshots.append(
            {
                "name": name,
                "identifier": identifier,
                "version": version,
                "snapshot": json.dumps(parsed_snapshot),
                "kind_name": kind_name,
            }
        )

    if new_snapshots:
        engine_adapter.delete_from(snapshots_table, "TRUE")

        index_type = index_text_type(engine_adapter.dialect)

        engine_adapter.insert_append(
            snapshots_table,
            pd.DataFrame(new_snapshots),
            target_columns_to_types={
                "name": exp.DataType.build(index_type),
                "identifier": exp.DataType.build(index_type),
                "version": exp.DataType.build(index_type),
                "snapshot": exp.DataType.build("text"),
                "kind_name": exp.DataType.build(index_type),
            },
        )