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Ensure exact match when filtering by meta in Elasticsearch (#311)

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Tanay Soni 2020-08-13 11:42:49 +02:00 committed by GitHub
parent 4eeb7818af
commit 397dcf9d92
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1 changed files with 17 additions and 5 deletions
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haystack/database/elasticsearch.py
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@ -94,22 +94,34 @@ class ElasticsearchDocumentStore(BaseDocumentStore):
self.update_existing_documents = update_existing_documents self.update_existing_documents = update_existing_documents
def _create_document_index(self, index_name): def _create_document_index(self, index_name):
if self.client.indices.exists(index=index_name):
return
if self.custom_mapping: if self.custom_mapping:
mapping = self.custom_mapping mapping = self.custom_mapping
else: else:
mapping = { mapping = {
"mappings": { "mappings": {
"properties": { "properties": {
self.name_field: {"type": "text"}, self.name_field: {"type": "keyword"},
self.text_field: {"type": "text"}, self.text_field: {"type": "text"},
} },
"dynamic_templates": [
{
"strings": {
"path_match": "*",
"match_mapping_type": "string",
"mapping": {"type": "keyword"}}}
],
} }
} }
if self.embedding_field: if self.embedding_field:
mapping["mappings"]["properties"][self.embedding_field] = {"type": "dense_vector", "dims": self.embedding_dim} mapping["mappings"]["properties"][self.embedding_field] = {"type": "dense_vector", "dims": self.embedding_dim}
self.client.indices.create(index=index_name, ignore=400, body=mapping) self.client.indices.create(index=index_name, body=mapping)
def _create_label_index(self, index_name): def _create_label_index(self, index_name):
if self.client.indices.exists(index=index_name):
return
mapping = { mapping = {
"mappings": { "mappings": {
"properties": { "properties": {
@ -126,7 +138,7 @@ class ElasticsearchDocumentStore(BaseDocumentStore):
} }
} }
} }
self.client.indices.create(index=index_name, ignore=400, body=mapping) self.client.indices.create(index=index_name, body=mapping)
# TODO: Add flexibility to define other non-meta and meta fields expected by the Document class # TODO: Add flexibility to define other non-meta and meta fields expected by the Document class
def _create_document_field_map(self) -> Dict: def _create_document_field_map(self) -> Dict: