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Add check for existing 'age' extension before loading in AgeConnectio… #4

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Merged
KSemenenko merged 2 commits into from
Dec 3, 2025
Merged

Add check for existing 'age' extension before loading in AgeConnectio… #4

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660c96c
Add check for existing 'age' extension before loading in AgeConnectio…
VladKovtun99 Dec 3, 2025
8f41b76
Bump version to 10.0.6 and refine AGE extension initialization logic …
VladKovtun99 Dec 3, 2025
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4 changes: 2 additions & 2 deletions Directory.Build.props
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Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,8 @@
<RepositoryUrl>https://github.com/managedcode/graphrag</RepositoryUrl>
<PackageProjectUrl>https://github.com/managedcode/graphrag</PackageProjectUrl>
<Product>Managed Code GraphRag</Product>
<Version>10.0.5</Version>
<PackageVersion>10.0.5</PackageVersion>
<Version>10.0.6</Version>
<PackageVersion>10.0.6</PackageVersion>

</PropertyGroup>
<PropertyGroup Condition="'$(GITHUB_ACTIONS)' == 'true'">
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26 changes: 26 additions & 0 deletions src/ManagedCode.GraphRag.Postgres/ApacheAge/AgeConnectionManager.cs
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Expand Up @@ -132,12 +132,38 @@ private async Task LoadAgeAsync(NpgsqlConnection connection, CancellationToken c
{
try
{
await using var checkCommand = connection.CreateCommand();
checkCommand.CommandText = "SELECT 1 FROM pg_extension WHERE extname = 'age';";
checkCommand.CommandTimeout = 0;
var result = await checkCommand.ExecuteScalarAsync(cancellationToken).ConfigureAwait(false);

if (result is null)
{
throw new AgeException("AGE extension is not installed.");
}

await using var load = connection.CreateCommand();
load.CommandText = "LOAD 'age';";
load.CommandTimeout = 0;
await load.ExecuteNonQueryAsync(cancellationToken).ConfigureAwait(false);
LogMessages.ExtensionLoaded(_logger, ConnectionString);
}
catch (PostgresException ex) when (ex.SqlState == "42501")
{
await using var initCommand = connection.CreateCommand();
initCommand.CommandText = "SELECT ag_catalog.create_graph('__age_init__'); SELECT ag_catalog.drop_graph('__age_init__', true);";
initCommand.CommandTimeout = 0;

try
{
await initCommand.ExecuteNonQueryAsync(cancellationToken).ConfigureAwait(false);
}
catch (PostgresException)
{
}

LogMessages.ExtensionLoaded(_logger, ConnectionString);
}
catch (PostgresException ex)
{
LogMessages.ExtensionNotLoadedError(_logger, ConnectionString, ex.MessageText);
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