Bump pg from 1.0.0 to 1.1.2

[dependabot-preview]

Bumps pg from 1.0.0 to 1.1.2.

Changelog

Sourced from pg's changelog.

== v1.1.2 [2018-08-28] Michael Granger ged@FaerieMUD.org

• Don't generate aliases for JOHAB encoding.
  This avoids linking to deprecated/private function rb_enc(db)_alias().

== v1.1.1 [2018-08-27] Michael Granger ged@FaerieMUD.org

• Reduce deprecation warnings to only one message per deprecation.

== v1.1.0 [2018-08-24] Michael Granger ged@FaerieMUD.org

Deprecated (disable warnings per PG_SKIP_DEPRECATION_WARNING=1):

• Forwarding conn.exec to conn.exec_params is deprecated.
• Forwarding conn.exec_params to conn.exec is deprecated.
• Forwarding conn.async_exec to conn.async_exec_params.
• Forwarding conn.send_query to conn.send_query_params is deprecated.
• Forwarding conn.async_exec_params to conn.async_exec is deprecated.

PG::Connection enhancements:

• Provide PG::Connection#sync_* and PG::Connection#async_* query methods for explicit calling syncronous or asynchronous libpq API.
• Make PG::Connection#exec and siblings switchable between sync and async API per PG::Connection.async_api= and change the default to async flavors.
• Add async flavors of exec_params, prepare, exec_prepared, describe_prepared and describe_portal.
  They are identical to their syncronous counterpart, but make use of PostgreSQL's async API.
• Replace rb_thread_fd_select() by faster rb_wait_for_single_fd() in conn.block and conn.async_exec .
• Add PG::Connection#discard_results .
• Raise an ArgumentError for strings containing zero bytes by #escape, #escape_literal, #escape_identifier, #quote_ident and PG::TextEncoder::Identifier. These methods previously truncated strings.

Result retrieval enhancements:

• Add PG::Result#tuple_values to retrieve all field values of a row as array.
• Add PG::Tuple, PG::Result#tuple and PG::Result#stream_each_tuple .
  PG::Tuple offers a way to lazy cast result values.
• Estimate PG::Result size allocated by libpq and notify the garbage collector about it when running on Ruby-2.4 or newer.
• Make the estimated PG::Result size available to ObjectSpace.memsize_of(result) .

Type cast enhancements:

• Replace Ruby code by a faster C implementation of the SimpleDecoder's timestamp decode functions. github #20
• Interpret years with up to 7 digists and BC dates by timestamp decoder.
• Add text timestamp decoders for UTC vs. local timezone variations.
• Add text timestamp encoders for UTC timezone.
• Add decoders for binary timestamps: PG::BinaryDecoder::Timestamp and variations.
• Add PG::Coder#flags accessor to allow modifications of de- respectively encoder behaviour.
• Add a flag to raise TypeError for invalid input values to PG::TextDecoder::Array .
• Add a text decoder for inet/cidr written in C.
• Add a numeric decoder written in C.
• Ensure input text is zero terminated for text format in PG::Coder#decode .

Source code enhancements:

• Fix headers and permission bits of various repository files.

... (truncated)

Commits

• 1895dae PG::Tuple: Better describe spec about cleared result.
• 0d4acc8 Allow deprecation warnings to be disabled
• 165cf4b Rename pg_warning() to pg_deprecated()
• df385b6 Add notice about PG_SKIP_DEPRECATION_WARNING to History.md
• bcaa525 Move "git ls-files" before "hg manifest"
• e531236 Reject string with zero bytes in quote_ident
• 7870253 Reject string with zero bytes as input to libpq quoting functions
• c526484 Verify command strings and query params are rejected when with zero bytes
• e57f6b4 Update History.txt for changed quoting methods [ci skip]
• be1b41f Ignore timeshift for BC timestamp.
• Additional commits viewable in compare view

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[coveralls]

Coverage remained the same at 96.203% when pulling 60cedb1 on dependabot/bundler/pg-1.1.2 into aa80b01 on master.

[dependabot-preview]

Superseded by #569.