无法创建配置单元表

Question

我无法创建配置单元表。 以下是代码

CREATE TABLE NYSE(exchange STRING, stock_symbol STRING, stock_date DATE,
stock_price_open FLOAT, stock_price_high FLOAT, stock_price_low FLOAT,     
stock_price_close FLOAT, stock_volume INT, stock_price_avg_close FLOAT)
ROW FORMAT DELIMITED FIELDS TERMINATED BY ','; 

这将向我返回以下错误消息：

NoViableAltException(332@[2189:1: columnNameTypeOrPKOrFK : ( ( foreignKeyWithName ) | ( primaryKeyWithName ) | ( primaryKeyWithoutName ) | ( foreignKeyWithoutName ) | ( columnNameType ) );])
at org.antlr.runtime.DFA.noViableAlt(DFA.java:158)
at org.antlr.runtime.DFA.predict(DFA.java:116)
at org.apache.hadoop.hive.ql.parse.HiveParser.columnNameTypeOrPKOrFK(HiveParser.java:42212)
at org.apache.hadoop.hive.ql.parse.HiveParser.columnNameTypeOrPKOrFKList(HiveParser.java:37938)
at org.apache.hadoop.hive.ql.parse.HiveParser.createTableStatement(HiveParser.java:5259)
at org.apache.hadoop.hive.ql.parse.HiveParser.ddlStatement(HiveParser.java:2763)
at org.apache.hadoop.hive.ql.parse.HiveParser.execStatement(HiveParser.java:1756)
at org.apache.hadoop.hive.ql.parse.HiveParser.statement(HiveParser.java:1178)
at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:204)
at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:166)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:404)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:329)
at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1158)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1253)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1084)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1072)
at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:232)
at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:183)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:399)
at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:776)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:714)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:641)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
FAILED: ParseException line 1:18 cannot recognize input near 'exchange' 'STRING' ,' in column name or primary key or foreign key

我正在使用Hive 2.1.0和Hadoop 2.7.3

请帮帮我。

Answer 1

您不能在列名称定义中使用“交换” 保留的关键字 。

尝试给出like exchange_1或使用`将其转义为第一列名称。

请尝试以下步骤：

USE your_DB_Name;

DROP TABLE IF EXISTS NYSE PURGE;

CREATE TABLE NYSE (`exchange` STRING, stock_symbol STRING, stock_date DATE, stock_price_open FLOAT, stock_price_high FLOAT, stock_price_low FLOAT, stock_price_close FLOAT, stock_volume INT, stock_price_avg_close FLOAT) ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' ;

Answer 2

Exchange是HIVE中的保留关键字

您可以使用backtick（``）符号对其进行转义

这应该工作：

CREATE TABLE NYSE(
`exchange` STRING
,stock_symbol STRING
,stock_date DATE
,stock_price_open FLOAT
,stock_price_high FLOAT
,stock_price_low FLOAT
,stock_price_close FLOAT
,stock_volume INT
,stock_price_avg_close FLOAT)
ROW FORMAT DELIMITED FIELDS TERMINATED BY ','; 

Answer 3

exchange是蜂巢中的关键字，因此您无法使用。 而不是使用exchange或其他任何东西。 尝试这个..

创建表nyse（交换字符串，stock_symbol字符串，stock_date字符串，stock_price_open的double，stock_price_high的double，stock_price_low的double，stock_price_close的double，stock_volume的double，stock_price_adj_close的double）的行格式分隔字段，以“，”结尾；