fix(wasm): missing wasm package cache dir creation #298
+16
−1
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What kind of change does this PR introduce?
This PR is to fix an issue with wasm package cache dir creation.
What is the current behavior?
The wasm foreign data wrapper (.wasm file) will be downloaded and saved to local cache folder when foreign table is queried. If the local cache doesn't exist yet, this operation will fail.
What is the new behavior?
Create the local cache folder if it doesn't exist before save the wasm file.
Additional context
This PR also added README and change logs for wasm foreign data wrapper.