1
我有一個Postgresql 9.1表,其中包含列「城市」,「admin1」和「國家」。我想選擇輸出格式爲「city,admin1,country」的唯一值。curl中的postgresql查詢
我可能在紐約和明尼蘇達州的羅切斯特有多個條目,但我只希望每個條目都有。這是填充彈性搜索索引,我使用的JDBC river plugin
以下SELECT做什麼,我想在PGAdmin3的SQL編輯器:
SELECT city || ', ' || admin1 || ', ' || country AS city FROM table GROUP BY city, admin1, country;
,但在以下
curl -XPUT 'localhost:9200/_river/nibbel_river/_meta' -d '{
"type" : "jdbc",
"jdbc" : {
"driver" : "org.postgresql.Driver",
"url" : "jdbc:postgresql://localhost:5432/table",
"user" : "",
"password" : "",
"sql" : "SELECT city || ', ' || admin1 || ', ' || country AS city FROM everything GROUP BY city, admin1, country",
"poll" : "7d"
},
"index" : {
"index" : "city",
"type" : "everything"
}
}'
與失敗錯誤
curl: (6) Couldn't resolve host ' || admin1 || ,'
curl: (3) [globbing] unmatched close brace/bracket at pos 102
{"error":"MapperParsingException[Failed to parse [jdbc.sql]]; nested: JsonParseException[Unexpected end-of-input in VALUE_STRING\n at [Source: [[email protected]; line: 8, column: 565]]; ","status":400}
這是什麼語法?
就是這樣,謝謝。我試圖用'唯一'逃脫。 – Dave