Support 2-digit version strings.

[laceysanderson]

Metadata

• Issue #26

• [x] I feel this PR is ready to be merged.
• [ ] This PR is dependent upon nothing

Documentation:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

Description

Our version has the following format: PostgreSQL 9.4.10 on x86_64-unknown-linux-gnu, compiled by gcc (Debian 4.9.2-10) 4.9.2, 64-bit whereas, @bradfordcondon's is PostgreSQL 10.5 on x86_64-apple-darwin, compiled by i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00), 64-bit. Notice the difference between a 3-digit version string (Postgresql 9.4.10) and a 2-digit version string (10.4). This broke our regex to test for the version and this PR fixes that.

Testing?

• [x] I tested on a generic Tripal Site
• [ ] I tested on a KnowPulse Clone
• [x] This PR includes automated testing

The following php code can be used to test the version:

nd_genotypes_recheck_postgresql_version();
dpm(variable_get('pgsql_version', FALSE), 'version');

[bradfordcondon]

looks good for me, thank you

nd_genotypes
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nd_genotypes was enabled successfully.                                                                                                                                                                                     [ok]
nd_genotypes defines the following permissions: access nd_genotypes, download nd_genotype_matrix
Custom table, 'genotype_call' , already exists. Table structure not changed, but definition array has been saved.                                                                                                          [status]
Your postgresql version is: 10.5                                                                                                                                                                                           [status]
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