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Latest revisions

# Date Author Comment
74b3f734 01/16/2014 05:11 pm Petr Pudlak

Use ClockTime instead of Double in fields in Objects.hs

This affects "mtime" and "ctime" fields in all data types.

This also forces explicit declaration of how the fields are serialized
in Query.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>
836ccf52 01/16/2014 05:11 pm Petr Pudlak

A function for creating time fields that serialize as Double

The function creates fields with custom read/show methods based on
TimeAsDoubleJSON, with the default value of 0 seconds since the epoch.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>
6879dfd2 01/16/2014 05:11 pm Petr Pudlak

Also fix MaybeForJSON parsing and add unit tests

Its readJSON was mistakenly implemented as an infinite loop.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>
dde8b625 01/16/2014 05:11 pm Petr Pudlak

Add (de)serialization unit tests for TimeAsDoubleJSON

This includes adding an Arbitrary instance for TimeAsDouble, and also an
orphan instance for Arbitrary ClockTime so that the current tests work
unmodified.

Signed-off-by: Petr Pudlak <>...
5ea9f6cb 01/16/2014 05:11 pm Petr Pudlak

Add a newtype wrapper that saves ClockTime as JSON double

This allows to convert ClockTime to JSON and back.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>
d8adc255 01/16/2014 05:11 pm Petr Pudlak

Document Field data type used in TH code generation

Describe what types of fields are currently possible and allowed and
what what are the types of their "Q Exp" expressions.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>
596d7b4f 01/16/2014 05:10 pm Petr Pudlak

Prohibit fields that are optional with a default value

For fields marked optional we need to keep the information that a value
isn't available. Therefore having a default value for an optional field
would not work.

Signed-off-by: Petr Pudlak <>...
ee7caf27 01/16/2014 05:10 pm Petr Pudlak

A workaround for GHC linking problem "unknown symbol ..."

GHC 7.4 on Debian Wheezy fails to compile after some TH related changes,
reporting

ghc: src/Ganeti/JSON.o: unknown symbol
    `attoparseczm0zi11zi1zi0_DataziAttoparsecziText_zdwf_info`

This doesn't happen on Squeeze. Explicitly importing attoparsec in THH...
eb577716 01/16/2014 05:10 pm Petr Pudlak

Fix saveObjectField to work properly with custom fieldShow

Before it only worked for non-optional fields. For optional fields
with custom fieldShow functions, the generated code didn't use it.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>
0b7bf465 01/16/2014 05:10 pm Petr Pudlak

Fix typing problems in TH that generates field code

See #677: The code generated by TH had different types depending on if
a field had a default value and/or custom reader. Simple cases worked by
accident, but more complex ones failed.

This patch distinguishes properly between optional fields and mandatory...

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