[branch-2.1][improvement](jdbc catalog) Compatible with ojdbc6 by adding version check #39408
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…check (apache#39341) In previous versions, we used a method based on JDBC 4.2 to read data, so it was equivalent to abandoning support for ojdbc6. However, we recently found that a large number of users still use Oracle version 11g, which will have some unexpected compatibility issues when using ojdbc8 to connect. Therefore, I use version verification to make it compatible with both ojdbc6 and ojdbc8, so that good compatibility can be obtained through ojdbc6, and better reading efficiency can be obtained through ojdbc8.
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pick (#39341)
In previous versions, we used a method based on JDBC 4.2 to read data, so it was equivalent to abandoning support for ojdbc6. However, we recently found that a large number of users still use Oracle version 11g, which will have some unexpected compatibility issues when using ojdbc8 to connect. Therefore, I use version verification to make it compatible with both ojdbc6 and ojdbc8, so that good compatibility can be obtained through ojdbc6, and better reading efficiency can be obtained through ojdbc8.