mirror of https://github.com/apache/lucene.git
52 lines
1.6 KiB
Plaintext
52 lines
1.6 KiB
Plaintext
= Solr JDBC - R
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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R supports accessing JDBC using the https://www.rforge.net/RJDBC/[RJDBC] library.
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== RJDBC
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.run.sh
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[source,bash]
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----
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#!/usr/bin/env bash
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# Java must already be installed and R configured with `R CMD javareconf`
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Rscript -e 'install.packages("RJDBC", dep=TRUE)'
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Rscript solr_rjdbc.R
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----
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.solr_rjdbc.R
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[source,r]
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----
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# https://www.rforge.net/RJDBC/
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library("RJDBC")
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solrCP <- c(list.files('/opt/solr/dist/solrj-lib', full.names=TRUE), list.files('/opt/solr/dist', pattern='solrj', full.names=TRUE, recursive = TRUE))
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drv <- JDBC("org.apache.solr.client.solrj.io.sql.DriverImpl",
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solrCP,
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identifier.quote="`")
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conn <- dbConnect(drv, "jdbc:solr://localhost:9983?collection=test", "user", "pwd")
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dbGetQuery(conn, "select fielda, fieldb, fieldc, fieldd_s, fielde_i from test limit 10")
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dbDisconnect(conn)
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----
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